April 27.—The French made some advance on the left. There was equilibrium on the rest of the line. Hard fighting everywhere.
April 28.—The enemy still held, and his attack exhausted for the moment. French made some progress.
May 1.—British 12th Brigade came into line.
May 2.—Renewed German assault on French and British, chiefly by gas. Advance held back with difficulty by the Fourth Division.
May 3 and 4.—Contraction of the British position, effected without fighting, but involving the abandonment of two miles of ground at the north-eastern salient.
May 5.—German attack upon Fourth Division.
May 6.—Attack still continued.
May 7.—Artillery preparation for general German attack.
May 8.—Furious attack upon Fourth, Twenty-eighth, and Twenty-seventh British Divisions. Desperate fighting and heavy losses. The British repulsed the attack on their left wing (Fourth Division), but sustained heavy loss on centre and right.