The 9th Brigade was exposed by this retirement and fell back from the second objective in the face of artillery, machine-gun and sniper fire, with many casualties. When the Anzac advance broke into the front between Passchendaele and the Keiberg Spur, I Battalion, Reserve Infantry Regiment 55 of the 220th Division was attached to the 195th Division and II Battalion, Reserve Infantry Regiment 55 to the 233rd Division. With the divisions in the front line, the German reinforcements reoccupied the areas vacated by the Australians and New Zealanders, capturing and many wounded Australians. In the evening, most of the New Zealand Division withdrew to a line on the lower slopes of the Wallemolen spur. Protection of the northern flank of the main attack by the Second Army was provided by the Fifth Army, with single brigades of the 9th (Scottish) and 18th (Eastern) divisions of XVIII Corps, attacking from north of Goudberg to north of the Lekkerboterbeek stream, adjacent to the northern boundary of the Second Army. The 26th Brigade of the 9th (Scottish) Division was to advance on a front, with its left flank on the Lekkerboterbeek, into an area dotted with fortified farm buildings. The 55th Brigade of the 18th (Eastern) Division attacked north of the Lekkerboterbeek, over ground soaked after rain all day on 11 October. A low-flying German aircraft had reconnoitred the area near the 55th Brigade so the position of the jumping-off line was altered, to avoid a possible German counter-barrage as the brigade formed up for the advance. The 9th (Scottish) Division was hampered by the effect of rain and mud on supply routes, which stranded guns and caused shortages of ammunition, particularly in smoke shells. At midnight on 11 October, torrential rain fell and a German gas and high explosive bombardment fell on the divisional forming-up areas. The wide front left numerous gaps in the line, as the 26th Brigade advanced behind a barrage moving at in eight minutes, assisted by a machine-gun barrage from The creeping barrage began at and was described as "thin and ragged". The advancing troops lost direction and communication broke down, as carrier pigeons were hindered by the high wind and messenger dog handlers became casualties. The infantry continued their advance and on the right of the captured Adler Farm and reached the green line at Source Trench. In the centre, the attackers had to dig in after a advance.