Canadian Prime Minister Mark Carney says that a "serious incident" has caused a major fire at a military base in Alberta.

A grass fire, fanned by strong winds, is being blamed for the Canadian military base tragedy in Alberta. Four armed service members were killed during what was a training exercise with 19 reported in critical condition in hospital.

Canada’s top military commander, however, says other measures will also be needed to keep people enlisted. By Ian Austen On Friday I found myself in an oversize hangar with an even more imposing C-17 Globemaster cargo plane sitting outside of it.