Mr. Sadr 's militia , the Mahdi Army , rampaged in Baghdad after the Feb. 22 bombing of a revered Shiite shrine in Samarra and after a series of car bomb explosions on March 12 in Baghdad 's Sadr City neighborhood .
Baghdad
Sadr City
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Baghdad
Sadr City
/location/location/contains
LOCATION
Baghdad
LOCATION
Samarra
LOCATION
Baghdad
LOCATION
Sadr City