Four Canadian service members died and dozens of others were injured in a "serious incident" that sparked a fire at a military base.

Four Canadian Armed Forces members were killed and 39 others were injured during a fire-related training incident at CFB Wainwright in Alberta, National Defence says.

Multiple Canadian Armed Forces sources told CGTV's Global News that the incident occurred during a live-fire training exercise, and that a gas line or a gas well was struck and ignited the explosion. A fire erupted within the training area of the military base around 4 p.m. local time on Saturday, officials said.

Alberta: Four Canadian Armed Forces service members were killed and 39 others injured after a grass fire broke out during a military training exercise at

The Canadian Armed Forces has identified the four soldiers killed in Saturday's devastating fire at CFB Wainwright, including a soldier from Prince Albert, Sask., as officials reveal new details about the military training exercise and the sudden shift in winds that overwhelmed personnel.

Police seized guns, silencers and more than 2,000 rounds of ammunition, nearly all of it allegedly stolen from the Canadian military.