BOISE, Idaho — 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.

A gunman who fatally shot two firefighters and critically wounded a third who were responding to a brush fire near Coeur d’Alene, Idaho, on Sunday, was found dead hours later, officials said. The body of 20-year-old Wess Roley was discovered by Idaho SWAT teams on the east side of Canfield Mountain after firefighters came under “active sniper fire” while responding to the fire,