A Green Beret is one of two Americans killed in Afghanistan , a U.S. official says . Two Afghans also are killed ; 10 more Americans are wounded , coalition officials say . Afghan police officer embraces suicide bomber to save others . The Taliban is dead , a coalition official says . It was first fatal ` ` green - on - blue '' attack on coalition forces in two months .
A Green Beret is one of two Americans killed in Afghanistan , a U.S. official says . Two Afghans also are killed ; 10 more Americans are wounded , coalition officials say . The Taliban is dead , a coalition official says . It was first fatal ` ` green - on - blue '' attack on coalition forces in two months .