The story

A strict curfew was extended indefinitely in the Iraqi capital Sunday as the death toll mounted from clashes between government troops and Shiite Muslim militants.

Fighting sparked by a government-led push against "outlaw" militias in the southern city of Basra had left more than 280 people dead by Saturday, according to Iraqi authorities.

The unrest has stretched across southern Iraq's Shiite heartland up to Baghdad, where a ban on pedestrian and vehicle traffic was kept in place just hours before it was due to expire Sunday morning. Read full article »

CNN's Thomas Evans and Mohammed Tawfeeq contributed to this report.

All About BasraMuqtada al-SadrNuri al-MalikiIraq War

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