Four Canadian Armed Forces members were killed and dozens injured in a fire that broke out in the training area of Canadian Forces Base Wainwright in east-central Alberta on Saturday 17 October, Prime Minister Mark Carney said in a televised address on Sunday. Carney described a violent, fast-moving fire and called it "one of the worst tragedies for the forces in Canadian soil in peace time." He said the families of those killed had been notified and that the situation was still evolving.

Carney's figure is the first official death toll. Multiple military sources had told Global News overnight that at least seven people were killed, a figure CBC News also reported citing sources. Authorities have not explained the difference. National Defence has not confirmed reports that an explosion started the fire, released the names of the dead or given an exact count of the injured.

Flames broke out in the base's training area at about 4 p.m. local time and spread rapidly beyond it, National Defence said in a news release on 18 October. Wind gusts of up to 100 km/h carried the flames across the base fence and into the surrounding Municipal District of Wainwright. Ambulances, air ambulances and military medical teams converged on the Wainwright Health Centre, and hospitals in Edmonton, about 200 kilometres to the northwest, declared code orange to take the overflow of patients.

"I cannot recall an incident like this in recent memory," Defence Minister David McGuinty told reporters in Ottawa on Saturday night. McGuinty said the RCMP was involved and that authorities were still working through the details of what happened. National Defence has not stated a cause. A National Defence spokesperson, Laura McIntyre-Grills, said on Sunday there were no indications the fire was the result of terrorist activity and that the incident remained under investigation. McGuinty travelled to Edmonton on Sunday to be briefed. Carney ordered flags on federal buildings across the country lowered to half-mast.

Hospitals respond to mass casualties

Dozens of ambulances converged on the Wainwright Health Centre on Saturday night, where military medics were briefed in the emergency department. The town's hospital became a triage centre for patients brought in from the base, Mayor Bruce Pugh said. The Municipal District of Wainwright asked residents to stay away from the health centre unless they had a critical medical need.

STARS Air Ambulance sent three helicopters to Wainwright from Edmonton and Calgary over the course of Saturday evening, beginning at 4:57 p.m., according to its social media posts. Initial reports also cited a STARS crew from Saskatoon.

Patients were transferred to hospitals across Edmonton after facilities around Wainwright were overwhelmed, said Dr Warren Thirsk, an emergency physician at the Royal Alexandra Hospital. Thirsk said the number of patients quickly passed the threshold for a disaster code and was large enough to overwhelm Edmonton itself. He called it "a one in every 15 to 25-year disaster." Thirsk said EMS, fire and police services were all mobilising extra teams.

Acute Care Alberta said shortly before midnight that the response required significant resources from Emergency Health Services and Edmonton-area emergency departments and that code orange had been activated at several acute care facilities across the province, including the Royal Alexandra and University of Alberta hospitals in Edmonton. Alberta Health Services said acute care capacity was limited across the province. The agency declares code orange when health system resources across all sectors must co-ordinate care for an incident that produces multiple severely injured patients at the same time. It said emergency medical resources were stretched so thin that very few ambulances were available in the Edmonton area. It asked emergency patients in Edmonton to avoid the University of Alberta Hospital and use other city hospitals, and asked people with non-urgent needs to use urgent care, call Health Link at 811 or see a primary care provider.

Saskatchewan Premier Scott Moe said his province had deployed resources to Alberta and was ready to send more, without specifying what had been sent. British Columbia Premier David Eby said his government had offered Alberta all possible assistance.

Investigation into the fire and reported explosion

The Canadian Armed Forces and the RCMP are investigating. National Defence has not said which agency is leading the investigation or what formal process will follow, such as a military police investigation or a board of inquiry.

Several Canadian Armed Forces sources told Global News that a live-fire training exercise struck a gas line or gas well on the base at about 4 p.m., triggering an explosion. National Defence, the Canadian Armed Forces and the RCMP have not confirmed that account, and National Defence's release describes only a fire that ignited in the training area. Other outlets reporting the gas line or gas well have relied on the same anonymous sources, so the account rests on a single line of reporting.

Dane Lloyd, a Conservative MP and former reservist, wrote on Saturday evening that he was "hearing terrible news" from the base and that an explosion and fire during the high winds had caused significant casualties. Lloyd was relaying what he had heard and did not say where the information came from.

Wainwright RCMP said officers were called to the base just after 4 p.m. after reports of a fire in a training area. McGuinty did not say whether weapons or ammunition were involved. He said the active and delicate situation and investigations continue.

By Sunday morning, National Defence had not identified the exercise under way, the units taking part or whether live ammunition or explosives were in use. Authorities have not said whether gas wells, pipelines or other energy infrastructure lie within the affected training area, who owns or maintains any such infrastructure, whether the exercise was authorised under standard range procedures or what safety warnings personnel received.

Military police led the investigation into the last fatal live-fire incident at the base, the 2020 shooting death of Corporal James Choi, and National Defence suspended the exercise under way at the time.

Fire spreads beyond military base

A windstorm with gusts of up to 100 km/h swept large parts of Alberta on Saturday, and Environment Canada recorded a gust of 98 km/h at Edmonton International Airport that afternoon, toppling trees and sending signs and debris through town streets. By about 7 p.m., the Municipal District of Wainwright said the fire had crossed the base fence earlier in the day and was being actively managed in an area south of Township Road 44-0. The district opened an emergency co-ordination centre, and firefighters from several jurisdictions, including the Wainwright fire department, joined the response. Fire crews closed the road leading to the base.

Satellite data from NASA's Fire Information for Resource Management System showed multiple active fire clusters on the base on Saturday night.

The municipal district said the fire was contained as of 10:48 p.m. and by about 11 p.m. said it was being held, with property and critical infrastructure protected. A fire watch remains in place to monitor the area. The district did not issue an evacuation order, and Pugh said the fire posed no danger to the town. Authorities have not reported the extent of damage to buildings, vehicles, equipment or infrastructure on the base.

Victims, families and the Wainwright community

Carney said all four of those killed were service members and that their families had been notified. Their names had not been released at the time of this update. Officials have not said whether any civilian employees or allied personnel were among the injured, or given any information on their condition beyond Carney's description of dozens injured.

The 2021 census, the most recent published count, recorded about 1,310 military and civilian personnel at the base. National Defence has not released how many people were on the base or in the training area on 17 October. June Winger, president of the Union of National Defence Employees, which represents civilian staff at the base, said the union was supporting its members and stood with the Wainwright community.

Pugh said many residents are serving or former Canadian Armed Forces members whose children play on the same hockey teams and attend the same schools as other children in the town of about 6,600. "We share our lives," Pugh said. He said residents were also worried for neighbours who work at the hospital. Pugh could not confirm casualty figures but said he believed it was the largest mass casualty event the community had seen. He said the town's small hospital was not designed for a mass casualty incident and that helicopters and planes had carried patients on to other facilities.

Armor of Light, a local organisation, opened its office as a place to stay overnight and brought food to hospital staff. The Wainwright Military Family Resource Centre directed military families to the Family Information Line, which operates 24 hours a day, and the Edmonton Military Family Resource Centre opened on Sunday from 10 a.m. to 3 p.m.

Canada's largest ground training facility

CFB Wainwright covers about 609 square kilometres beside the town of Wainwright, about 200 kilometres southeast of Edmonton, and includes 25 weapons ranges. It is the Canadian Armed Forces' largest ground training facility and its principal base for live-fire training, where infantry, artillery and air support train together in combined exercises.

The base hosts the Canadian Manoeuvre Training Centre, which prepares units to operate together under realistic battlefield conditions, and the 3rd Canadian Division Training Centre, which runs basic infantry training. Army field units based in Edmonton train there, as do allied forces. Exercises run across open fields, forest and buildings built to replicate urban combat. Live-fire training requires the base to store ammunition and explosives, and medical personnel attend every training exercise.

Lieutenant-Colonel Daniel Bobbitt was killed and other Canadian Armed Forces members were injured in a training accident at the base on 21 May 2014. Choi, a 29-year-old reservist with the Royal Westminster Regiment, was shot during a live-fire exercise at Wainwright on the night of 30 October 2020 and died in hospital in Edmonton the next morning.

Canadian, NATO and allied leaders respond

Carney wrote on Saturday night that the federal government was working closely with the Alberta government and local authorities and that he and Premier Danielle Smith were in close contact. "Our thoughts are with all the brave women and men affected," Carney wrote. Smith wrote that "a significant and tragic fire" was affecting many military personnel and thanked first responders.

McGuinty said in National Defence's release that the Canadian Armed Forces, his department and federal partners including Public Safety were working with Alberta and municipal governments to mobilise all necessary support.

General Jennie Carignan, Chief of the Defence Staff, called it "a profoundly difficult moment for the entire Canadian Armed Forces" and said the military's focus was on supporting those affected, assisting the emergency response and protecting the well-being of members, families and the surrounding community. Lieutenant-General Michael Wright, Commander of the Canadian Army, said soldiers, civilian staff and emergency responders were working with local authorities and that the army would keep supporting those affected.

Admiral Giuseppe Cavo Dragone, chair of the NATO Military Committee, wrote on Sunday morning that allied soldiers train at Wainwright alongside Canadians. "Canada does not carry this grief alone," Dragone wrote, adding that all 32 allied chiefs of defence stood with the Canadian Armed Forces.

US Ambassador to Canada Pete Hoekstra offered prayers on Sunday for the families of the dead and for the recovery of the injured. Ukraine's foreign minister, Andrii Sybiha, offered condolences to the families of those killed. Governor General Louise Arbour said on Sunday morning that her thoughts were with the families of the dead and extended support to military members, their families and the community. Ontario Premier Doug Ford said his province was ready to help with recovery.

Referendum voting disrupted by fire

Albertans vote on Monday 19 October in a provincial referendum carrying 10 questions. The tenth asks whether Alberta should remain a province of Canada or whether the provincial government should begin the constitutional process toward a binding referendum on separation. A majority for the second option would start that process and would not by itself make Alberta independent. Elections Alberta said 1.2 million Albertans had voted in advance polls across the province.

Elections Alberta closed the Wainwright Communiplex advance poll on Saturday 17 October, the last day of advance voting, after the fire crossed into the municipal district. Elections Alberta said the two advance vote locations in Electoral Division 86 were the Border Inn in Lloydminster and the Vermilion Elks Hall. Elections Alberta also said ballot boxes and materials from the Communiplex were being moved securely. It has not said how many voters were affected, and its release named no replacement site in Wainwright and announced no change to election-day arrangements. Voters can reach Elections Alberta at 1-877-422-8683.

What remains unknown

Carney's count of four dead is the only official figure. Authorities have not explained why military sources and two broadcasters reported at least seven deaths, and have not released the names of those killed or the number and condition of the injured.

Investigators have not established what started the fire or confirmed whether an explosion preceded it. National Defence has said only that there are no indications of terrorism. Officials have not said whether live-fire training struck gas infrastructure, whether such infrastructure was present in the training area, which exercise and units were involved or whether safety procedures were followed. National Defence has not said which agency is leading the investigation, what form it will take or when findings will be released, and the extent of damage to the base has not been reported. McGuinty said more information would come in the coming hours and days.

How to help

  • Keep roads and emergency departments clear. The Municipal District of Wainwright asked people to avoid the incident area, keep roads clear and stay away from the Wainwright Health Centre unless they have a critical medical need. Acute Care Alberta asked Edmonton-area patients with emergencies to avoid the University of Alberta Hospital where possible, and people with non-urgent needs to use urgent care, a primary care provider or Health Link at 811.
  • Residents affected by the fire can reach the Municipal District of Wainwright office at 780-842-4454 during business hours. The district has closed its incident information line.
  • Military families needing support can call the Family Information Line, staffed by counsellors 24 hours a day, at 1-800-866-4546.
  • Counselling for members, veterans and families is free and confidential through the Canadian Forces Member Assistance Program at 1-800-268-7708 (TTY 1-800-567-5803), 24 hours a day, including bereavement counselling for families of Canadian Armed Forces personnel who die while serving. Anyone in Canada in crisis can call or text 9-8-8.
  • Give blood. Canadian Blood Services books appointments at blood.ca, through its GiveBlood app or at 1-888-236-6283.
  • Support military families and local health care. The Wainwright Military Family Resource Centre, a non-profit society that relies partly on donations, takes inquiries at boardchair@wainwrightmfrc.ca. The Military Families Fund, managed by Canadian Forces Morale and Welfare Services at cfmws.ca, covers unforeseen and immediate needs of Canadian Armed Forces members and their families. The Wainwright and District Community Health Foundation funds health care in the Municipal District of Wainwright and issues charitable tax receipts at wdchf.com.