Palestinians on Thursday mourned relatives killed in overnight Israeli strikes in the Gaza Strip, where Israel's prime minister has vowed to intensify the pressure on militants even as demands grow for him to reach a deal that would free hostages.AFPTV images showed mourners at Al-Aqsa Martyrs Hospital in Deir el-Balah city, where several white-shrouded corpses lay on the ground. One man cradled the covered body of a child.Rescuers confirmed several people had been killed in separate Israeli strikes in central Gaza.