A fire that started in the training area of one of Canada’s busiest military bases killed and injured people on Saturday, the Canadian Armed Forces says. In a news release dated Oct. 18, National Defence says the fire ignited within the training area of Canadian Forces Base (CFB) Wainwright, Alberta, at approximately 4:00 PM local time (3:00 PM PT) on Oct. 17, and that it “spread rapidly beyond the boundaries of the training area” as military and civilian emergency services responded. “It is with profound sadness that the Canadian Armed Forces (CAF) confirms the incident resulted in fatalities and injuries,” the release says. Defence Minister David McGuinty told reporters in Ottawa on Saturday night, “I’m saddened to share that there have been both fatalities and injuries as a result of an incident on the base,” CBC News and CTV News report, adding, “I cannot recall an incident like this in recent memory.”

This desk found no official casualty count as of about 4:00 AM PT Sunday. The National Defence release says the full extent of the impact remains under assessment and that the military’s immediate priority lies in supporting those affected and notifying next of kin: “We will not confirm casualty or injury details until that process is complete.” Reuters says McGuinty did not say how many people died or suffered injuries, or what caused the “tragic” situation, and The Associated Press says it remained unclear how many people died or got hurt. Global News, by contrast, reports at least seven people dead and dozens more injured, “according to multiple military sources.” This desk could not verify that figure, and no named official has confirmed it.

The cause also remains unconfirmed. Global News reports that multiple CAF sources told it a live-fire training exercise hit a gas line or gas well on the base around 4:00 PM MT, causing an explosion; Global says the blast ignited a fire that high winds spread beyond the training area. The National Defence release speaks only of a fire that ignited, and a CTV News video on its report carries the title “McGuinty does not confirm if weapons or ammunition were involved in Wainwright fire.” McGuinty said the Royal Canadian Mounted Police (RCMP) took part in investigating the incident and called the situation “very, very active and delicate,” AP reports, quoting him: “This is an active and delicate situation and soon to be an active and delicate investigation.” Reuters reports McGuinty said the Canadian military and the RCMP had begun investigating. AP says the RCMP got called shortly after 4:00 PM Saturday after reports of a fire in a training area at the base.

Patients went to hospitals as far away as Edmonton, AP and CBC News report. Dr. Warren Thirsk, an emergency physician at Edmonton’s Royal Alexandra Hospital, told CBC News that Edmonton had declared a Code Orange, a disaster protocol, and that Wainwright’s health-care facilities had become “completely overwhelmed” by the number of patients. “It is more patients than any of us want to count right now. It’s a disaster. It’s a one in every 15 to 25-year disaster,” he told CBC. Acute Care Alberta asked emergency patients to avoid the University of Alberta Hospital emergency department in Edmonton, CBC and Global News report; CTV News says Albertans got asked to avoid that emergency room where possible. Global quotes the agency warning that “acute capacity is finite in several communities across Alberta,” and reports that a STARS air-ambulance helicopter landed at the University of Alberta Hospital, home to the city’s burn unit. CTV says STARS sent two air ambulances, from Saskatoon and Edmonton.

In Wainwright itself, CBC reporter Jessica Campbell counted about a dozen ambulances behind the Wainwright Health Centre on Saturday night, according to CBC’s live page. Global News reports that more than a dozen CAF personnel parachuted into Wainwright late Saturday night to help at the health centre, and CTV News says parachutes came down from the sky toward the school beside it. Wainwright Mayor Bruce Pugh told CBC that details remained “sketchy” but that he believes the incident would rank as the largest mass casualty event the community has seen. “We share our lives. And so that part is very hard,” Pugh said of the town and the base, CBC reports.

AP describes a volatile situation for firefighters. CBC meteorologist Johanna Wagstaffe wrote on CBC’s live page that a cold front passed CFB Wainwright between 3:00 and 4:00 PM local time, swinging winds from southwesterly to northwesterly, dropping temperatures from 23C to 13C within an hour and pushing gusts to 69 km/h at 4:00 PM. AP says a windstorm hit large areas of the province with gusts up to 100 km/h. The Municipal District of Wainwright said “The fire south of Wainwright crossed the base fence earlier today and is being actively managed,” CBC reports. Accounts of the later update differ on timing: CBC’s live page says the district described the fire as “being held” just after 10:45 PM MT, AP says the district said so by 11:00 PM, and Global News says around midnight. AP and CTV say no evacuation order went out to residents.

Leaders voiced grief and offered help. Prime Minister Mark Carney wrote just after 6:00 PM, “Our thoughts are with all the brave women and men affected,” and Alberta Premier Danielle Smith said in a post on X at 6:15 PM that the province had begun “learning of a significant and tragic fire that is affecting many of our brave military personnel,” CBC News reports. Chief of the Defence Staff Gen. Jennie Carignan said in the National Defence release, “This is a profoundly difficult moment for the entire Canadian Armed Forces.” Saskatchewan Premier Scott Moe said his province had sent emergency help and stood “ready to provide more if required,” CTV News reports. Adm. Giuseppe Cavo Dragone, chair of the NATO Military Committee, posted on X, “Canada does not carry this grief alone. All 32 allied chiefs of defence stand with you and the Canadian Armed Forces,” according to CBC’s live page.

CFB Wainwright ranks among Canada’s busiest military training bases and hosts the Canadian Manoeuvre Training Centre and the 3rd Canadian Division Training Centre, AP, Global News and CTV News report. Reuters, citing census data, says the base had 1,310 military and civilian personnel as of 2021. Outlets give different figures for the setting: Reuters puts the base about 210 km (130 miles) east of Edmonton and the town’s population at about 6,600; AP puts Edmonton 120 miles (about 193 km) northwest and the town at about 7,000 residents; Global says about 200 km southeast of Edmonton, and CTV says 200 km from the capital.

The fire also disrupted advance voting in Alberta’s referendum, AP reports. Saturday marked the final day of advance polling, Global News reports, ahead of Monday’s referendum on whether Alberta should begin a process that could lead to independence from Canada, as AP describes it. Global and CTV News say Elections Alberta shut the Wainwright Communiplex advance vote location and sent voters to the Border Inn in Lloydminster or the Vermilion Elks Hall. AP’s copy, also carried by ABC News (Australia), instead says Elections Alberta reported two polling locations in Lloydminster and Vermilion closed early; this desk could not reconcile the two accounts and did not read Elections Alberta’s own notice.