North Korean troops are in combat, likely for the first time since the Korean war in the 1950s. Not in Korea, but in Europe. Because last summer Ukraine launched a surprise offensive in Kursk, Russia. Since then, Russia have retaken most of the land taken. To do so, Russia looked towards North Korea.

This is the story of Kursk...and how North Korea came to play a potentially key role in the war.

Reporter: Claudia Williams

Producer: Matt Russell

Sound design: Dominic Delargy

Artwork: Lola Williams

Editor: Jasper Corbett and Ceri Thomas

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