Hello and welcome to NewsHour live from the BBC World Service in London.

I'm Rebecca Kesbby.

High stakes in all caps.

That was the last message President Trump posted on social media as he heads to Alaska,

to the Anchorage Air Base of Elmendorf Richardson, where very soon he will meet his

Russian counterpart, Vladimir Putin. Just over a week ago, Mr Trump was threatening to cripple Russia's

economy, something he still has the power to do. But since then, he's spoken of land swaps and deals,

and the White House has described today

as just a listening exercise. Mr. Trump has been clear since before he became president

that he wants a quick deal to end the war. The Ukrainian president, Volodymyr Zelensky,

who's not been invited to the meeting today, is also keen for that, but not at any price.

So what is the deal Mr. Trump can get from President Putin?

Our diplomatic correspondent, Paul Adams, looks at what's at stake today.

The Alaska summit, Donald Trump's first face-to-face meeting with Vladimir Putin for six years is a big moment.

But it's also one fraught with risk.

Let's look at who controls what in Ukraine and what might be at stake in any peace agreement.

We need to go back to 2014 to see Vladimir Putin's first move, the occupation and annexation of Crimea.

That was followed by a Moscow-backed separatist movement

in the area known as the Donbas, specifically the two regions, or oblasts, known as Donetsk and

Luhansk. A war simmered there for eight years. But in February 2022, Putin launched his full-scale

invasion.

Russian troops reached the outskirts of Kiev and seized huge swathes of the south,

...