 the israeli military urged all palestinians to leave gaza city and head south on wednesday pressing ahead with a fresh offensive across the north south and center of the embattled territory that's killed dozens of people over the last 48 hours the stepped up activity came as u.s egyptian and qatari mediators met with israeli officials in the qatari capital doha for talk seeking a long elusive ceasefire with gaza's hamas militant group in exchange for the release of dozens of israeli hostages israel says it's pursuing hamas fighters