On 5 May, the 42nd (East Lancashire) Division was dispatched from Egypt. Believing Anzac to be secure, Hamilton moved the Australian 2nd Infantry Brigade and the New Zealand Infantry Brigade, along with field guns, to the Helles front as reserves for the Second Battle of Krithia. Involving a force of , it was the first general attack at Helles and was planned for daylight. French troops were to capture Kereves Dere and the British, Australians and New Zealanders were assigned Krithia and Achi Baba. After of artillery preparation, the assault began at mid-morning on 6 May. The British and French advanced along the Gully, Fir Tree, Krithia and Kereves spurs which were separated by deep gullies, fortified by the Ottomans. As the attackers advanced, they became separated when trying to outflank Ottoman strong points and found themselves in unfamiliar terrain. Under artillery and then machine-gun fire from Ottoman outposts that had not been spotted by British aerial reconnaissance, the attack was stopped; next day, reinforcements resumed the advance.