The 2008 Iraq spring fighting was a series of clashes between the Mahdi Army and allies and the Iraqi Army supported by coalition forces, in southern Iraq and parts of Baghdad, that began with an Iraqi offensive in Basra.
^Roggio, Bill (26 June 2008). "Mahdi Army decimated during recent fighting". Long War Journal. Archived from the original on 26 December 2008. Retrieved 8 December 2008. More than 1,000 Mahdi Army fighters were killed in Sadr City alone, according to a Mahdi Army commander in Baghdad. Another 415 were killed in Basrah. More than 400 were killed during fighting in the southern cities of Najaf, Karbala, Hillah, Diwaniyah, Amarah, Samawah, and Nasiriyah in late March and early April, according to numbers compiled by The Long War Journal.