The Defense of the Karbala City Hall (Polish: Obrona ratusza w Karbali) (Bulgarian: Отбраната на кметството в Кербала) was a series of clashes fought from April 3 to April 6, 2004, between Iraqi insurgents of the Mahdi Army, who attempted to capture the city hall in central Karbala, and Polish and Bulgarian soldiers of the Multinational Division Central-South, who defended the building.
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Text from the Wikipedia article “Battle of the City Hall”, available under CC BY-SA 4.0.