Israel killed three Palestinian militants in an airstrike early Tuesday afternoon on a car in the southern Gaza Strip, medical officials said according to DPA. They said the car was struck by a missile fired from an aircraft and totally destroyed, after the occupants had launched a missile at southern Israel. An Israeli military spokesman said only that soldiers on the Israeli side of the border had opened fire on three armed militants they saw approaching the border fence. Earlier Tuesday, troops killed an armed Palestinian in an early morning gunfight in Nablus.