The 16th (Irish) Division suffered many casualties from the Germans in Potsdam, Vampire and Borry farms, which had not been properly mopped up, because of the acute the infantry shortage. The garrisons were able to shoot at the advancing Irish troops of the 48th Brigade from behind and only isolated parties of British troops managed to reach their objectives. The 49th Brigade on the left was also held up at Borry Farm, which defeated several costly attacks but the left of the brigade got within of the top of The 36th (Ulster) Division also struggled to advance, Gallipoli and Somme farms found to be behind a new wire entanglement, with German machine-guns trained on gaps made by the British bombardment, fire from which stopped the advance of the 108th Brigade. To the north, the 109th Brigade had to get across the swamp astride the Steenbeek. The infantry lost the barrage and machine-gun fire from Pond Farm and Border House forced them to take cover. On the left troops got to Fortuin, about from the start line.