North Korea’s entry into Russia’s war against Ukraine is a major escalation in the grinding conflict, but Moscow may find it’s more trouble than it’s worth.

Our correspondent visits Fangchuan, where the borders of China, North Korea and Russia meet. She reflects on growing ties between Moscow and Pyongyang, and where it leaves China. Show more Kate Adie presents stories from China,

The recently signed mutual defense treaty could be used to justify thewidening of the war in Ukraine, as the U.S. says North Korean and Russian troops are already battling Ukrainian forces.

A photo has emerged showing examples of a North Korean-made self-propelled artillery system under transport in Russia, the clearest suggestion so far that Pyongyang is also now providing Moscow with these kinds of heavyweight,

An estimated 10,000 North Koreans are fighting in Ukraine - and one expert has a stark warning for what will happen to them if they survive the brutal conflict

The deployment of around 10,000 North Korean troops in Russia's border Kursk region is convincing the Pentagon to see the conflict in a wider context

Photos have begun to appear on Russian social media showing the transport of North Korean long-range artillery systems that have been delivered to Russia. According to Defence Blog, these include the M1989 "Koksan",