In Iraq, bomb attacks killed at least 18 people, including two U.S. soldiers, and wounded at least 55 others in the past two days. Military official said a suicide car bomb targeting a U.S. military patrol exploded in a busy outdoor market in Iraq's Diyala province this morning, killing two U.S. soldiers and wounding six others. <br/><br/>Police said the blast also killed six Iraqis and wounded 22 others. An hour later, a roadside bomb exploded in an outdoor market in the predominately Sunni al-Dora district in southern Baghdad, killing three people and wounding 10 others. <br/><br/>At least three people were killed and 13 others wounded when a parked car bomb detonated in the city of Tikrit yesterday. <br/><br/>An interior ministry official said, yesterday evening, at least four people were killed and 10 others wounded in a suicide car bombing in Baghdad. Overall violence in Iraq has dropped drastically over the past two years compared to the height of the sectarian war in 2006 and 2007, but bombing attacks have continued.