This is the Global News podcast from the BBC World Service.

I'm Bernard Echio and in the early hours of Tuesday the 27th of May, these are our main stories.

The US envoy, Steve Whitkoff, has rejected a claim by Hamas that it's agreed to American terms for a ceasefire in Gaza as Israel's bombardment continues.

Chancellor Merz of Germany has said Ukraine is now free to use long-range Western-supplied weapons to hit Russia.

Officials in Britain say an incident in which a car plowed into crowds at the victory parade for Liverpool Football Club is not connected to terrorism.

Also in this podcast, an AI safety research company has warned that the latest model created by OpenAI was observed tampering with its own computer code

in order to avoid being shut down.

It's scary, but maybe not for the reasons that people would expect.

It's not Terminator taking over.

But it's scary if we start to integrate these types of softwares into critical business processes

and they start to fail.

The US envoy Steve Whitkoff has rejected a claim by Hamas that it's accepted an American plan for a

truce in Gaza. He denied the United States had backed any such proposal, which reportedly

involved a 60-day ceasefire and the release of 10 hostages. Israel's Prime Minister, Benjamin Netanyahu,

made no mention of the proposal, but said he hoped to make an announcement on the hostages

within the next day.

The developments came as Israel continued its bombardment of Gaza and issued a new evacuation order for the city of Han Yunus.

One Israeli strike hit a school in Gaza City

where hundreds of displaced people were sheltering.

Another strike on a home in Jabalya

killed many members of one family.

From Jerusalem, our Middle East correspondent, Lucy Williamson, reports.

...