Meanwhile the attack by the Anzac Mounted Division, began twenty minutes ahead of schedule at 15:40, before all the patrols had been relieved by the Imperial Mounted Division. The Anzac Mounted Division was supported by the Leicester and Ayrshire artillery batteries, which came into action at ranges of between from their targets, respectively. Shortly after the attack began, Chetwode sent messages emphasising the importance of this attack, warning that the trench line northwest of Gaza between El Meshaheran and El Mineh on the sea, was strongly held and offering another brigade from the Imperial Mounted Division, which Chauvel accepted. Hodgson sent the 3rd Light Horse Brigade.