U.S. and Turkish troops conduct their third joint ground patrol within a planned safe zone in northern Syria, along the Syrian-Turkish border in Tell Abyad, Syria on October 04, 2019.National Defence Ministry of Turkey | Anadolu Agency | Getty ImagesU.S. officials say an American outpost in northeastern Syria has been vacated after coming under fire from Turkish artillery. The officials say a number of U.S. troops left their post on a hill outside the town of Kobane after it came under fire. The officials say a large base in the town has not been affected by the shelling. Turkey says it didn’t target the U.S. outpost but was responding to fire from Kurdish groups nearby. The officials say they expect the evacuation to be temporary.