Israel has blocked the entry of all humanitarian aid into Gaza as it demands Hamas agree to a US plan for a ceasefire extension.
The first phase of the Gaza ceasefire expired on Saturday.
Israeli Prime Minister Benjamin Netanyahu’s office said Hamas had so far refused to accept a temporary extension under a proposal by Donald Trump’s envoy, Steve Witkoff.
A statement from Netanyahu’s office said: “With the end of Phase 1 of the hostage deal, and in light of Hamas’s refusal to accept the Witkoff outline for continuing talks – to which Israel agreed – Prime Minister Netanyahu has decided that, as of this morning, all entry of goods and supplies into the Gaza Strip will cease.
“Israel will not allow a ceasefire without the release of our hostages. If Hamas continues its refusal, there will be further consequences.”
Netanyahu’s office said Israel had agreed to a US proposal for the ceasefire to continue for about six weeks during the Muslim Ramadan and Jewish Passover periods.
Witkoff proposed the six-week extension after becoming convinced that more time was needed to try to bridge the differences between Israel and Hamas on conditions for ending the war, according to the earlier statement from Netanyahu’s office.
Israel would immediately start negotiations on this if Hamas changed its position on the six-week ceasefire extension, Netanyahu’s office said.
Aid agencies confirmed that no aid trucks had been allowed into Gaza on Sunday morning.