Israelis hold signs and portraits of hostages in the Gaza Strip, as they rally in Tel Aviv's Hostages Square, demanding the return of hostages and an end to the Gaza war. An Israeli strike flattened a high-rise in Gaza City on Saturday -- the second in as many days -- after the military warned people to flee south to a "humanitarian zone" ahead of a planned offensive against the urban hub. Interested in licensing this video ? Get in touch 👉 http://u.afp.com/wvnD N.B.: AFP’s services and