Iraq: 2 US troops killed, 4 wounded by bomb

Two US soldiers were killed and four were wounded in a roadside bombing southwest of Baghdad, the military said Thursday. The Task Force Marne soldiers died Wednesday when explosions occurred near their vehicle, according to a statement. Identities were not released pending notification of relatives. The deaths raised to at least 3,533 the number of US military personnel who have died since the Iraq war started in March 2003, according to an Associated Press count.