Qatar, a key negotiator of the ceasefire, accused Israel of violating the deal. The U.N. relief chief said aid access must be allowed under international law.

Egypt has condemned Israel’s decision to impose a complete siege on the Gaza Strip, accusing it of using “starvation as a weapon.” Egyptian Foreign Minister Badr Abdelatty on Sunday called for the immediate implementation of the next phase of the Israel-Hamas ceasefire.

Israeli Prime Minister Benjamin Netanyahu has reaffirmed his decision to stop allowing the import of humanitarian aid into the Gaza Strip. "There will be no free lunches," the Israeli leader said at a cabinet meeting in Jerusalem on Sunday.