Jordan's King Abdullah said in his opening speech at the Cairo Peace Summit on Saturday that the forced or internal displacement of Palestinians would be a war crime.
The summit is being held as Israel prepares a ground assault on Gaza following Hamas' attack that killed 1,400 people.
Read also: King Abdullah on Gaza: 'No refugees in Jordan, no refugees in Egypt'
More than 4,100 Palestinians have been killed in Israel's counteroffensive, according to Gaza's Health Ministry, amid a growing humanitarian crisis.
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