Ayala now took the entire charge of the sheik. Edgar went down frequently to one or other of the villages on the river bank, partly for change and exercise, partly to learn what he was doing at Cairo. He heard that, under the direction of French engineers, the greater portion of the population of Cairo were employed in building forts on elevated positions round the town, where the guns would completely dominate the city, that it was said that the Sultan had declared war with France, and that an army from Syria had advanced and had established itself at a fort in the desert half-way between the frontier of Syria and Egypt.