Four Canadian soldiers were killed and dozens more were “seriously wounded” after a fire tore through an army base in Alberta Saturday, Prime Minister Mark Carney said. At least four people are confirmed to have died after a huge fire swept through the base. Key points and original sources are listed below.

• Four Canadian soldiers were killed and dozens more were “seriously wounded” after a fire tore through an army base in Alberta Saturday, Prime Minister Mark Carney said.S1

• At least four people are confirmed to have died after a huge fire swept through the base.S2

• Canada's PM Mark Carney described the incident as "one of the worst tragedies" for the country's military in peacetimeS3