Bomb Explosion in Sadr City in Baghdad

Iraqi Army soldier inspects the site of a roadside bombing in a market in the Shiite stronghold of Sadr City in Baghdad, Iraq, Tuesday, July 21, 2009. At least three people were killed and dozens injured. U.S. troops pulled out of Iraqi cities and towns on June 30, and officials believe militants plan to increase attacks to test Iraqi security forces. (UPI Photo/Ali Jasim)