Two roadside bombs went off in a commercial district of Baghdad , police said . Another bomb hit a bus carrying laborers in eastern Falluja , officials said . On Thursday , 19 people were killed and dozens others were hurt when three explosions hit a commercial district in Basra , an oil-rich , predominantly Shiite city about 500 kilometers ( 310 miles ) south of Baghdad . Iraq 's army will take over full responsibility for security when US forces leave next week .
Two roadside bombs went off in a commercial district of Baghdad , police said . Another bomb hit a bus carrying laborers in eastern Falluja , officials said . Iraq 's army will take over full responsibility for security when US forces leave next week .