They said the bomb targeted a passing U.S. Military convoy. One humvee vehicle had been hit, police said, but it was unclear if there were any American casualties.

• 警方认为炸弹的袭击目的是一辆过路的美军护卫车。警方还说,爆炸波及到一辆悍马车,但还不清楚是否有美方人员伤亡。