Firefighters were ambushed by a gunman while responding to a brush fire in Coeur d'Alene, Idaho, on Sunday, according to the local sheriff's office.

Authorities in Coeur d'Alene, Idaho, share updates on their investigation after a suspect ambushed firefighters on the job.

An investigation is underway after authorities say a lone gunman started a fire and ambushed firefighters who responded to it in north-west Idaho on Sunday, allegedly shooting and killing two and seri