March 24 (Reuters) - Following are security developments in Iraq at 1130 GMT on Monday.

BAGHDAD - A roadside bomb killed four U.S. soldiers and wounded one other in southern Baghdad on Sunday, the U.S. military said.

BAGHDAD - One policeman was wounded by a roadside bomb in eastern Baghdad's Zayouna district, police said.

QURNA - One police officer was wounded in clashes between Iraqi police and militants on Sunday and Monday in the southern Iraqi town of Qurna, police said.

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