Israeli bombing has killed 1,799 Palestinians in Gaza, the health ministry in the besieged strip has said, adding that 6,388 had been injured. Among the dead are 500 children.
The Israeli army has ordered residents of the north of the Gaza Strip to evacuate amid the indiscriminate bombing, amid reports that they will not be allowed to return.
This has raised fears of a "Second Nakba" among Palestinians.
The death toll in Israel from the surprise attack launched by Hamas and other Palestinian militants on Saturday is over 1,300.
Israel has continued to bomb Gaza, home to more than two million people, with an unprecedented intensity.
NATO countries on Thursday told Israel's defence minister they stood by his country after the attack by Hamas, but urged his forces to respond with "proportionality", the alliance said.
Human Rights Watch has charged Israel with using white phosphorous in Gaza, saying it has a "significant incendiary effect that can severely burn people and set structures, fields, and other civilian objects in the vicinity on fire".
The watchdog added: "The use of white phosphorus in Gaza, one of the most densely populated areas in the world, magnifies the risk to civilians and violates the international humanitarian law prohibition on putting civilians at unnecessary risk."
After a trip to Israel, US Secretary of State Antony Blinken has travelled to Jordan, where he has met King Abdullah II and is set to meet Palestinian President Mahmoud Abbas as part of a regional tour.
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