10th Bavarian Division, attacked from the east and part was repulsed by small-arms fire. At Tanner reported to Lukin that German forces were massing to the north of the wood and he called for reinforcements, as the South Africans had already lost a company from the 2nd (Natal and Free State) Battalion. Tanner had received a company of the 4th (Scottish) Battalion from Longueval and Lukin sent a second company forward to reinforce the 3rd (Transvaal & Rhodesia) Battalion. Lukin urged Tanner and the battalion commanders to dig in regardless of fatigue, as heavy artillery fire was expected during the night or early the next morning. As night fell, German high explosive and gas shelling increased and a counter-attack by three battalions from the 8th and 12th Reserve divisions began at midnight. With orders to recapture the wood "at all costs", the Germans got within , before being driven under cover by artillery and machine-gun fire. At on 15 July, the 91st Brigade, 7th Division attacked High Wood but was stopped by machine-gun fire from the Switch Line, where it ran through the wood. After a bombardment by German artillery, II Battalion, IR 165 of the German 7th Division and III Battalion, IR 72 of the German 8th Division, which had relieved the 183rd Division, counter-attacked at and recaptured part of the wood, until driven out by the 91st Brigade reserve. At the British attacked after a bombardment had inflicted many casualties on the German infantry but failed to overwhelm the survivors. High Wood was not visible to British ground observers and at a 3 Squadron reconnaissance aircraft reported that British troops were in the west of the wood and south of the Bazentin-le-Petit road. Flags were seen in the west side of the wood but the east side was full of Germans and the Switch Trench was packed with German infantry. High Wood was judged to be untenable and at the 91st Brigade was withdrawn and the wood was bombarded by the divisional artillery. The 1/9th Highland Light Infantry, 33rd Division had also attacked the wood at during an attack on the Switch Line, when three platoons advanced on the west side of the wood. Machine-gun fire from the II and III battalions, IR 93 in High Wood, hit the attackers from the flank and the attack was repulsed. The 16th Battalion, King's Royal Rifle Corps and the 2nd