Nick Miles

So what's been the reaction in Moscow? Steve Rosenberg is the BBC's Russia editor.

Steve Rosenberg in Moscow. The news of Donald Trump's conversation with Vladimir Putin came after the US Defence Secretary, Pete Hegseth, spoke in Brussels to a group of more than 50 nations who've been supporting Ukraine during the conflict. He said that there would be no return to Ukraine's original 2014 borders.

Steve Rosenberg in Moscow. The news of Donald Trump's conversation with Vladimir Putin came after the US Defence Secretary, Pete Hegseth, spoke in Brussels to a group of more than 50 nations who've been supporting Ukraine during the conflict. He said that there would be no return to Ukraine's original 2014 borders.

In other words, Kiev should forget about reasserting its control over Crimea and other areas occupied by Russia or Russian-backed forces.

In other words, Kiev should forget about reasserting its control over Crimea and other areas occupied by Russia or Russian-backed forces.

Our correspondent in Kiev is James Waterhouse. He gave his reaction to the developments regarding Ukraine.

Our correspondent in Kiev is James Waterhouse. He gave his reaction to the developments regarding Ukraine.

James Waterhouse in Ukraine. For more on the comments by President Trump and his defence secretary, Pete Hegseth, I spoke to our defence correspondent, Jonathan Beale, who was at the meeting in Brussels, where Mr Hegseth made the address.

James Waterhouse in Ukraine. For more on the comments by President Trump and his defence secretary, Pete Hegseth, I spoke to our defence correspondent, Jonathan Beale, who was at the meeting in Brussels, where Mr Hegseth made the address.

And Jonathan, there was a clear indication that European nations will be expected to police any ceasefire deal in Ukraine, if and when it comes, and provide much of the aid. Is there the ability and the will amongst European leaders to do that?

And Jonathan, there was a clear indication that European nations will be expected to police any ceasefire deal in Ukraine, if and when it comes, and provide much of the aid. Is there the ability and the will amongst European leaders to do that?

Now to other news. Egypt and Qatar are said to be intensifying mediation efforts to try to save the troubled Gaza ceasefire agreement. President Trump has warned that unless all the remaining hostages held by Hamas are released on Saturday, the war will resume. The position of Israel's Prime Minister on the issue isn't as clear as our correspondent in Jerusalem, Wira Davis, explains.

Now to other news. Egypt and Qatar are said to be intensifying mediation efforts to try to save the troubled Gaza ceasefire agreement. President Trump has warned that unless all the remaining hostages held by Hamas are released on Saturday, the war will resume. The position of Israel's Prime Minister on the issue isn't as clear as our correspondent in Jerusalem, Wira Davis, explains.

We're at Davis in Jerusalem. Now, catching fish in your spare time with a rod and line is normally done from the safety of a riverbank or beach. That's not how they do it in the freezing Russian winters, though. They venture out onto the ice and that can cause real problems.

We're at Davis in Jerusalem. Now, catching fish in your spare time with a rod and line is normally done from the safety of a riverbank or beach. That's not how they do it in the freezing Russian winters, though. They venture out onto the ice and that can cause real problems.

The emergency services in Russia have just had to rescue more than 100 fishermen stranded on a slab of ice drifting in the North Pacific. Rachel Wright has more details.

The emergency services in Russia have just had to rescue more than 100 fishermen stranded on a slab of ice drifting in the North Pacific. Rachel Wright has more details.

Still to come in an office block in London.

Still to come in an office block in London.

We look at the wonders below the ground.