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.

Israel said Sunday it is stopping the entry of all goods and supplies into the Gaza Strip. The prime minister's office did not elaborate on the decision but warned of “additional consequences” if Hamas does not accept what Israel says is a U.

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.