Israel has introduced what it said was a new U.S. ceasefire plan and is trying to force Hamas to accept it by imposing a siege on the Gaza Strip.

Israel faced sharp criticism as it stopped the entry of all food and other supplies into Gaza on Sunday and warned of “additional consequences” for Hamas if a fragile ceasefire isn't extended. Mediators Egypt and Qatar accused Israel of violating humanitarian law by using starvation as a weapon.

Hamas accuses Israel of a "war crime" in blocking aid entering Gaza, as Benjamin Netanyahu says there are consequences for rejecting a US proposal to continue the truce.

Israel has halted all humanitarian aid deliveries into Gaza after the first phase of a ceasefire deal with Hamas expired, with Prime Minister Benjamin Netanyahu defending the move as necessary leverage to secure the release of remaining captives.

After the first phase of the Gaza ceasefire deal ended on Saturday without a path to the second stage, Israel has blocked aid from entering the enclave. Prime Minister Benjamin Netanyahu blamed Hamas for not accepting an extension on the first phase of the agreement.

Ayoub Maarouf expressed fear and concern for his family after Israel blocked the entry of aid trucks into Gaza. Israel said it had adopted a U.S. proposal for a temporary ceasefire during Ramadan and Passover hours after the first phase of the previously agreed ceasefire expired.

Prime Minister Benjamin Netanyahu said Sunday that Israel would not allow any further humanitarian aid into Gaza.

Israeli Prime Minister Benjamin Netanyahu's office on Sunday said the country had imposed a blockade on all humanitarian aid heading into the Gaza Strip.