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

I'm Andrew Peach and at 13 hours GMT on Friday the 11th of April.

These are our main stories.

Donald Trump's envoy arrives in Russia for talks with the Kremlin as the US pushes for a ceasefire with Ukraine.

Germany and the UK take the lead at a meeting of Ukraine's allies in Brussels.

China increases tariffs on US goods to 125%, deepening the trade war with Washington.

Also in this podcast?

The impeached South Korean president Yunsun Yol is greeted by supporters as he moves out of the official residence.

And we'll hear from a couple putting African stories at the forefront of nature documentaries.

Donald Trump famously said he'd end the war in Ukraine within 24 hours of taking office.

It didn't happen that way. In fact, nearly three months on, Russia still hasn't given a clear response

to President Trump's proposal for an unconditional temporary ceasefire.

Fast forward to today, and the US envoy, Steve Whitkoff, is back in Russia for talks with President Putin.

I asked our Russia editor, Steve Rosenberg, who's in Moscow, what we know about the visit.

This would be the third Whitkoff Putin face-to-face meeting, I think, since February.

So the question, why now?

The short answer is we don't know for sure, but what we do

know is that in the last couple of weeks, it's been pretty clear that Donald Trump has been

growing frustrated with the lack of a ceasefire in Ukraine. As you mentioned, he had promised to end the war

in 24 hours. That hasn't worked out. And I think there is a growing

suspicion in some circles in the White House that Russia is dragging things out here. And we've heard

Donald Trump threatening more sanctions against Russia. How serious a threat that is, we can argue.

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