 Over the next two days, 2nd Brigade cleared the rest of the city, securing the south side of the bridges, followed by an assault on the headquarters of an Iraqi paramilitary group on 4 April.Rather than taking and holding ground, the Americans launched probing attacks into the city, engaged enemy forces, and then pulled back.High explosive rounds fired by 2/319th were used against the Ba'ath Party Headquarters, a school used as a headquarters building, and a soccer field used as a rallying point.