That's all for our live coverage today, but we'll be back with more updates and analysis tomorrow. If you're just checking in, here is a recap of the key developments today: The US and Russia held ...

The UK has warned that Vladimir Putin will break any ceasefire deal that is not backed up by hard security guarantees. David Lammy, the foreign secretary, has also said that Russia should not have ...

Glaciers are melting faster than ever. As the planet gets hotter, our frozen world is shrinking, making the water cycle more unpredictable. For billions of people, meltwater flows are changing ...