A U.S. service member has died after a helicopter crash in Afghanistan that left six others injured, authorities said Saturday. The crash occurred Friday night in Logar province and was not said to have been caused by enemy action. “Our heartfelt sympathies go out to the families and friends of our fallen comrade and those injured in this unfortunate event,” a statement from General John Nicholson, commander of NATO’s Resolute Support mission, said. The military has yet to identify the service member who was killed. An investigation is underway to determine “more facts” about the cause of the crash. No further details were released by the U.S. military, but Salim Saleh, a spokesman for the provincial governor, said the helicopter made an emergency landing and hit a tree.