More than 20 people were killed in the latest clashes. The bloodshed in Sadr's Baghdad stronghold, the Shi'ite slum of Sadr City, follows a week of relative calm after a crackdown by Prime Minister Nuri al-Maliki on Sadr's followers led to battles across the capital and the south late last month. More than 20 people were killed in the latest clashes. The bloodshed in Sadr's Baghdad stronghold, the Shi'ite slum of Sadr City, follows a week of relative calm after a crackdown by Prime Minister Nuri al-Maliki on Sadr's followers led to battles across the capital and the south late last month.