BAISA, Iraq (Reuters) - Eighteen Americans died in guerrilla attacks in Iraq on Sunday, including 15 soldiers killed when a helicopter was downed in the deadliest single strike on U.

• 伊拉克（路透社）星期天美军遭受伊拉克导弹袭击，一架直升飞机被击落，共18人死亡，其中有15名士兵。