US Vice President JD Vance said Tuesday that he had "great optimism" the Gaza truce would hold, during a visit to Israel aimed at shoring up the ceasefire, with Washington piling pressure on Hamas.

In a sign of the fragility of the agreement, Vance said Washington would not set a deadline for Hamas to disarm as required under the terms of the deal.

That came after US President Donald Trump warned that allied nations in the region would invade Gaza to confront Hamas if it failed to comply with the truce.

"What we've seen the past week gives me great optimism the ceasefire is going to hold," Vance said during a press conference in Kiryat Gat, a city in southern Israel where a US-led mission is monitoring the Gaza ceasefire.

"I think that everybody should be proud of where we are today. I

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