 as well as around 15,000 displaced people. The operation raised questions over Israel's targeting of hospitals during the war. Dr. Abu Salmi's release has provoked outrage from several Israeli ministers and leading politicians. BBC correspondent Sebastian Usher reporting. And today the Israeli army has ordered a mass evacuation of Palestinians from much of Gaza's second largest city, Khan Yunis. Monday's order is a sign that Israeli troops could soon return to the southern city.