U.S. government has suspended all flights to Turkey, and banned all airlines from flying to the U.S. from Turkey
On Saturday, U.S. embassy in Ankara instructed U.S. government employees to avoid Ataturk airport owing to reports of sporadic gunfire
U.S. military has also suspended air strikes against the Islamic State group in Syria and Iraq from a base in southern Turkey, a U.S. official said
Operations from Incirlik air base were suspended because of the closure of the airspace used by the missions, Pentagon spokesman said
