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Hello and welcome to the programme. This is News Hour from the BBC World Service. I'm Paul Henley,

and we're coming to you live from London. Iran's central military command says it has closed the Strait of Hormuz again.

It's accused the United States of breaking a promise by continuing its naval blockade of ships sailing to and from Iran's ports.

The opening was announced with great fanfare yesterday and it was warmly greeted by the financial markets,

but President Trump subsequently said the US.S. would continue its blockade

until a peace deal was reached.

The U.S. President claimed there were no sticking points left

and that that deal was very close, going so far as saying Tehran had agreed to everything.

Last night he gave a speech to his supporters in Arizona.

We're getting along well, but who knows, who knows with anyone, but who knows with Iran in particular?

This process should go very quickly and that most of the points are already negotiated and agreed to.

You'll be very happy.

But Iran's announcement today seems to render such claims out of date.

The UK's foreign minister, Yvette Cooper, is at the Antalya Diplomacy Forum in Turkey,

with other foreign ministers from all over the world.

She spoke to reporters about the closure of the Strait of Hormuz.

We've not seen the Iranian restrictions lifted yet. It's crucial that we do, and it's crucial

that we have freedom of navigation restored. And that can't be tolling. That can't be

restrictions. This is about the law of the sea, the important principles. and that's what we had the 50 countries saying

yesterday, the importance of that return to freedom of navigation, to no tolls, no restrictions,

and that's why I think we do need Iran to lift those restrictions and to make sure that that

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