 Attempted counterattacks on the bridges were broken up by supporting artillery.Also on 17 April 56th Division's 169th (Queen's) Brigade was passed through 11th Brigade's bridgehead across the Fossa Marina in order to drive eastwards to clear the north bank of the canal and link with the Guards Brigade.On 18 April 78th Division brought forward 36th Infantry Brigade from reserve to pass through 38th (Irish) Brigade and conduct a series of right hooks north of Argenta.