The following month, she was involved in the Bombardment of Casablanca, which marked the beginning of the French conquest of Morocco from the west. On July 30, 1907, tribesmen of the Shawiya opposing the terms of the Treaty of Algeciras and the vacillations of the representative of the Makhzen, the "Qaid" Abu Bakr Ibn Abi Zaid as-Slawi, killed nine European employees of la Compagnie Marocaine operating a Decauville train from a quarry in Roches Noires to the Port of Casablanca.