A German counter-attack on 15 July, by companies and a flame thrower detachment, retook the east end of Biaches before being driven out. Over the next few days German counter-attacks took parts of Biaches, Bois Blaise and La Maisonette, beginning a period of costly stalemate in the area. The French attacked between Vermandovillers and Barleux and the 16th Colonial Division captured the German front position, before cross-fire from machine-guns stopped the advance and counter-attacks pushed the French back to the start line, the Colonial Corps losing from . XXXV Corps was reinforced by two extra divisions and heavy artillery from the north bank and attacked from Vermandovillers to Soyécourt, capturing Bois Étoile and the northern half of Soyécourt, before flanking fire from high ground prevented another advance. North of the Somme, the 39th Division and 11th Division had been relieved by the fresh 47th Division, 153rd Division and XX Corps attacked the German intermediate line. On the Hem plateau near the river, the 47th (1/2nd London) Division captured Bois Sommet, Bois de l'Observatoire and the west end of Bois de la Pépinière, an advance of in which were taken. The German defenders of Monacu Farm held out and the left flank of the division was stopped short of the intermediate line. To the north, the 153rd Division was held up on its right and took the objective on the left around Maurepas, despite the failure of a supporting attack by the 35th Division, on Maltz Horn Farm.