3 from US killed in Afghanistan KABUL, Afghanistan (AP) — A man in an Afghan army uniform shot and killed three American service members on Friday morning in southern Afghanistan, the U.S. military command said, the third attack on coalition forces by their Afghan counterparts in a week. Taliban spokesman Qari Yousef Ahmadi said by telephone that the attacker, whom he identified as a member of Helmand police named Asadullah, had joined the insurgency after his attack.