US, British forces battle Mehdi Army in Baghdad, Basra:

U.S. and British forces battled Mehdi Army fighters in Baghdad and the southern city of Basra after their leader, Shi'ite cleric Moqtada al-Sadr, made a rare public appearance and called on U.S. troops to get out of Iraq.

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British forces face backlash after Mahdi Army chief is shot dead:

Soldiers attacked by militamen in Basra after joint operation with Iraqis ends in violence