Two firefighters have been shot dead with a high-powered rifle after responding to a brush fire in Idaho, say US officials The killings prompted a manhunt on a mountain, with police saying they had been under active "sniper fire" from at least one suspect But the manhunt has now ended after a SWAT team found the body of a man with a firearm nearby, the local sheriff's office says Officials have lifted a "shelter in place" order for nearby residents but said the wildfire remains active and to be "prepared and ready should further action need to be taken" Helicopters with heat-seeking technology were used during the manhunt US police end 'shelter in place' warning after two firefighters shot dead