Palestinians work in the street following a Israeli military operation in the Al Nusairat refugee camp, Gaza Strip. Photograph: EPA Israel will launch a ground offensive on the Gaza city of Rafah unless hostages still held by Hamas are released by the start of the Muslim holy month of Ramadan next month, a member of the Israeli war cabinet said on Sunday. “To those saying the price is too high, I say this very clearly: Hamas has a choice,” Benny Gantz, a retired military chief of staff, said in a speech Sunday to American Jewish leaders in Jerusalem. “They can...