The Palestinian militant movement Hamas released four female Israeli soldier hostages on Saturday in return for about 200 Palestinian prisoners in keeping with a ceasefire agreement aimed at ending the 15-month war in Gaza.The four were led onto a podium in Gaza City amid a large crowd of Palestinians and surrounded by dozens of armed Hamas men. They waved and smiled before being led off, entering ICRC vehicles and being transported to Israeli forces.The soldiers — Karina Ariev, Daniella Gilboa, Naama Levy and Liri Albag — were all stationed at an observation post on the edge of…