WARNING: VIDEO CONTAINS GRAPHIC IMAGES<br/> Doctors struggle to treat hundreds of wounded after a rash of blasts rip through Baghdad.<br/> The bombings have killed at least 57 people and are the first major attack on the capital since U.S. troops withdrew last week.<br/> Surrounded by wreckage, residents are angry and say they are innocents caught up in a political battle.<br/> (SOUNBITE) (Arabic) UNIDENTIFIED EYEWITNESS, SAYING:<br/> "The politicians fight for posts and kill people. What did those people do? They were just workers."<br/> More than 10 explosions rocked the city after Prime Minister Nuri al-Maliki, a Shi'ite moved to sideline two Sunni Muslim leaders.<br/> Iraq has a long history of sectarian violence and was almost driven to civil war between Shi'ite and Sunni Muslims a few years ago.<br/> Jessica Gray, Reuters
