 Both the Anzac Mounted Division, under Major General Harry Chauvel, and the 52nd (Lowland) Infantry Division saw action against the German and Turkish force.Since first making contact with the advancing German and Turkish force on 20 July they had been harassed alternately by the Australian 1st and 2nd Light Horse Brigades.During the night of 3–4 August, the day before the battle commenced, both brigades were involved in fighting.