 Its 15th "Panzergrenadier" Regiment arrived to reinforce 42nd "Jaeger" Division on 12 April but the rest of the division had been north of the Po and, delayed by air damage and fuel shortages was not in position until 14 April.Early on 13 April the 38th (Irish) Brigade, of 78th "Battleaxe" Division, attacked northward from Indian 8th Division's bridgehead across the Santerno river with the objective of seizing a bridgehead across the Reno at Bastia, in the mouth of the Argenta gap.Meanwhile, to their right, 56th Infantry Division launched the second phase of its operation, "Impact Royal".