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Live Grenade Exercise Triggers Deadly Fire at Canadian Base
· Confirmed
In Short: A live grenade exercise at Canadian Forces Base Wainwright in Alberta sparked a fast-moving fire that killed four soldiers and injured 39 others, with 27 requiring hospitalization.

Brigadier-General Vanessa Hanrahan, a military official, said the fire began on the automatic grenade launcher range during routine training exercises.
The fire initially remained within the range's 'Permanent Danger Area 2,' where firefighters could not directly combat it due to safety protocols.
A subsequent change in wind direction and velocity significantly increased the fire’s intensity, causing it to spread rapidly across the training area.
Canadian Prime Minister Mark Carney described the incident as 'one of the worst tragedies for the forces on Canadian soil in peacetime,' ordering flags to be lowered to half-staff on federal buildings nationwide.
The fire broke out on Saturday afternoon during high-intensity combat training involving Charlie Company of the 3rd Battalion, Princess Patricia’s Canadian Light Infantry, who were preparing for a deployment to Latvia.
Military officials said the fire was less than a mile away when the wind shifted, carrying the flames across that distance in 36 seconds.
The Canadian Forces National Investigation Service is leading the investigation, with support from the Royal Canadian Mounted Police, to determine the exact cause of the fire.
Major-General Wade Rutland noted that the timing of the exercise would be part of the review, cautioning against reading too much into the training-range standing orders that advised early morning shoots when fire risk is lower.
The fire killed four soldiers and left 27 in hospital, with 19 of the 39 injured in critical condition.
Training resumed at the base, and the entire battalion is expected to redeploy in the coming days while the military reviews ammunition and range and training safety standards.
What this adds
The fire spread on Saturday afternoon during high-intensity combat training involving Charlie Company of the 3rd Battalion, Princess Patricia’s Canadian Light Infantry.
The Canadian Forces Base Wainwright is located in the prairies, a landscape of wide, open grasslands, rolling plains, and scattered groves of trees.
There was no indication that natural gas infrastructure was involved in the fire.
Background
A live grenade exercise at Canadian Forces Base Wainwright in Alberta sparked a fast-moving fire that killed four soldiers and injured 39 others.
Four Canadian soldiers died and 39 were injured when a fast-moving fire swept through a military training exercise at Canadian Forces Base Wainwright.
What's confirmed
- Four soldiers died and 39 were injured, with 27 requiring hospitalisation.
- About 84 soldiers were split between a grenade range and an area where they practised attacks on simulated enemy positions.
- “A subsequent change in wind direction and velocity significantly increased the fire’s intensity,” she added, with the flames spreading to a training area at the Wainwright military base in Alberta.
- The soldiers and reserve members were participating in exercises ahead of a planned deployment to Latvia, where Canadian forces have their largest international military operation.
- Brigadier-General Vanessa Hanrahan said the fire initiated on the automatic grenade launcher range as a result of routine military training happening on that range at the time.
- CTV News said the fire began on the automatic grenade launcher range that crews could not reach, and it described the fire as beginning within the range's "Permanent Danger Area 2".
What's still developing
- The military base lies in the prairies, a landscape of wide, open grasslands, rolling plains and scattered groves of trees.
- Earlier this week, Canadian Prime Minister Mark Carney said that the fire was "driven by ferocious winds" and "jumped nearly a kilometer in less than a minute to where soldiers were gathered." Carney said that 50 investigators had been brought in to probe the fire.
- There was no indication that natural gas infrastructure was involved in the fire, she disclosed.
- About 2,000 to 2,200 Canadian personnel are deployed in the small European country.
- "We will get the answers to what caused this terrible tragedy, as expeditiously and transparently as necessary," Carney told reporters Monday.
- Directory totals describe our source library, not outlets checked for this story. 10 outlets told this the same way.
- Major-General Wade Rutland described the sudden high winds and resulting spread as an "uncommon, rapid" event in which the flames advanced 1km in 30 to 60 seconds.
- No contrasting quotation pair was identified in this analysis.
- This article is an automated aggregation of coverage from news outlets.
