Four Canadian service members were killed and 39 people hospitalised after a fire broke out during military training at a base in Alberta on Saturday, officials said. Prime Minister Carney said military and emergency crews fought the flames throughout the night in "some of the worst conditions imaginable". Key points and original sources are listed below.

• Four Canadian service members were killed and 39 people hospitalised after a fire broke out during military training at a base in Alberta on Saturday, officials said. Premier Danielle Smith said Sunday that at least 19 patients were in critical condition, with...S1

• Prime Minister Carney said military and emergency crews fought the flames throughout the night in "some of the worst conditions imaginable".S2

• Canadian Prime Minister Mark Carney said Sunday that four service members were killed and dozens more seriously injured in a fire at a military base in Alberta, describing it as one of the worst peacetime tragedies for Canada’s military on domestic soil. NBC N...S3