2 US service members, 2 US civilians killed in Syria blast

BEIRUT (AP) — Two U.S. service members and two American civilians were among those killed in an explosion while conducting a patrol in Syria on Wednesday, the U.S. military said, an attack that came less than a month after U.S. President Donald Trump announced his intention to withdraw troops from the war-torn country.The Islamic State group claimed responsibility for the morning attack, which local groups said killed 16 people in the U.S.-patrolled town of Manbij.The claim calls into ques