What began as a routine response to a brush fire on northern Idaho’s Canfield Mountain turned deadly Sunday after firefighters reported someone shooting at them while they battled the flames.

Two firefighters were shot dead and a third wounded on an Idaho mountain when they were ambushed by a man who set the fire to lure them to the area, the local sheriff says.

Two Idaho firefighters killed in a shooting near Coeur d'Alene were identified by authorities Monday. The big picture: The two veteran firefighters, along with a third who was critically injured, were ambushed by a lone gunman who started a wildfire in the state's north Sunday, investigators said.