KABUL, Afghanistan — NATO officials say a helicopter has crashed in southern Afghanistan, killing one coalition service member and injuring another.Capt. Luca Carniel says there was no enemy activity in the area when the helicopter crashed Saturday, and the cause is being investigated.Kandahar governor spokesman Javeed Faisal says the helicopter crashed in Daman district, a few miles west of Kandahar City.Officials did not release the type of helicopter or nationalities of the casualties.