In August 1916, a combined Ottoman and German Empire army had been forced to retreat to Bir el Abd, after the British victory in the Battle of Romani. During the following three months the defeated force retired further eastwards to El Arish, while the captured territory stretching from the Suez Canal was consolidated and garrisoned by the EEF. Patrols and reconnaissances were carried out by British forces, to protect the continuing construction of the railway and water pipeline and to deny passage across the Sinai desert to the Ottoman forces by destroying water cisterns and wells.