It’s been nearly one thousand days since Russia launched the attack on Ukraine,  which shocked the world, and marked the biggest land invasion in Europe since World War II.

Over the weekend, two new developments have dramatically altered the nature of this conflict.

Ukraine attacked Moscow, and other Russian regions, in its biggest drone attack yet.

And 50,000 Russian and North Korean troops have amassed ahead of an expected assault. 

Today, Deputy Foreign Editor Lia Timson, on the significance of North Korea joining this fight. And what impact this might have on American support for Ukraine.

Read/listen/watch:

• 50,000 Russian and North Korean troops mass ahead of attack, US intel, Julia E. Barnes, Eric Schmidtt and Michael Schwirtz, New York Times.