During the early hours of 28 June, a battle group of the 1st SS Panzer Division, "Kampfgruppe Frey", arrived at the front and was placed under the command of the 12th SS Panzer Division. At 0810, General Friedrich Dollmann, the 7th Army commander, ordered SS-Obergruppenführer Paul Hausser to divert the II SS Panzer Corps, to counter-attack south of Cheux. Hausser replied that no counter-attack could be launched until the following day, as so many of his units had yet to reach the front. The German command was thrown into disarray by Dollmann's sudden death, when Rommel and Gerd von Rundstedt (OB West) were en route to a conference with Hitler and out of touch with the situation. It was not until 1500 that Hausser was appointed commander of the 7th Army, with Willi Bittrich replacing him as commander of II SS Panzer Corps. (Hausser was advised to retain control of the Corps until the following morning.) Pending the return of Rommel to Normandy, Hausser was also to be supreme commander in the invasion area. At 1700 the command structure was changed again; the 7th Army under Hausser would be responsible for the invasion front facing the American army, while the Panzer Group West (General Geyr von Schweppenburg) was to be responsible for the invasion front facing the Anglo-Canadian forces.