Authorities say two firefighters were killed and another was badly injured after they were ambushed and shot while responding to a wildfire near Coeur d'Alene, Idaho, on Sunday afternoon. Here's what to know about the attack,

Two people were shot dead after firefighters were ambushed on Canfield Mountain, near Coeur d’Alene, Idaho, authorities said. Officers were taking active fire. Follow live updates.

Local authorities said a man armed with a rifle started a fire on a mountain in northern Idaho and then began shooting at responding firefighters, killing two and injuring a third.