The identities of two firefighters killed and one who was injured have been released after a gunman reportedly intentionally set a fire and opened fire on crews responding to the fire on Sunday afternoon.

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

A 20-year-old man's life appeared to have begun to unravel in the months before law enforcement say he fatally shot two firefighters and severely wounded a third as they responded to a wildfire near Coeur d'Alene,