Palestinian president Mahmud Abbas pressed the group Hamas on Wednesday to agree a Gaza deal quickly to avoid "dire consequences", the official Palestinian news agency Wafa reported.
Relatives found the body on Saturday of a 6-year-old Palestinian girl who had begged Gaza rescuers to send help after being trapped by Israeli military fire.
Displaced again and again by Israel's military offensive on Gaza, Mahmoud Amer and his family have now pitched their tent close to gravestones in a cemetery in Rafah, the last place of relative safety in the ruined strip of land.
Gaza's Hamas-run health ministry on Sunday said the death toll in the war-torn Palestinian territory breached 25,000 as Israel pushed its southward offensive and renewed bombardment in the north.
Bombed-out neighbourhoods, mass graves dug in the sand, spreading hunger and disease as the bloodiest ever Gaza war nears 100 days, besieged Palestinians have endured ever new horrors.