guns, more than treble the normal number of which were in position, must have astonished the enemy who in a very short time were sending up red rockets, the signal for the alarm. The Cavalry in the meantime had moved up to SOREL, the first & second divisions & the 5th Division. Our divisional headquarters were moved to a sunken road about a mile west of Gouzeaucourt. News soon came in that our troops had captured LA VACQUERIE & the Hindenburg Line. This was about 8am & that the attack was proceeding well & many prisoners had been captured. One Brigade of Artillery (the 91st) moved up to a position west of La Vacquerie. Bridges had been prepared beforehand to enable them to cross the trenches & some Royal Engineers had been attached to assist them in clearing away the wire. One battery moved at a