BOISE, Idaho (AP) — 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. Here’s what to know about Sunday’s attack, the investigation and next steps.

Police and emergency crews are responding to an active shooter situation, where multiple firefighters were reportedly shot. The Kootenai County Sheriff’s Office issued an alert to residents stating: “Active shooter at Canfield Mountain.