 The New Zealand Mounted Rifles Brigade had moved out at dawn , followed by the 5th Mounted Brigade without ambulance support , as the New Zealand Field Ambulance had not returned from Romani and the 5th Mounted Field Ambulance had not yet arrived . Fortunately , casualties were light , and both ambulances arrived in the evening . The 3rd Light Horse Field Ambulance , had formed a dressing station at Bir <unk> to the south of Romani , treating wounded from 3rd Light Horse Brigade 's engagement at Bir el Hamisah , a convoy brought in wounded Ottomans from a <unk> to the south of Romani , and 150 cases of heat exhaustion from infantry in the 42nd Division were treated during the day . 
