Army defectors say units sent to fight against Ukraine will have high morale but won't be battle hardened.

Some observers say we should not be too quick to dismiss Pyongyang's military capabilities.

Some 1,000 have been injured and senior officers are among the casualties, an MP says, quoting officials.

These would be the first reported casualties since North Korea sent troops to support Russia in October.

Fourteen North Koreans have been charged with fraud in the US over an alleged long-running conspiracy.

Pyongyang has responded to the political turmoil in South Korea for the first time.

Federal authorities allege the man was paid millions to buy firearms and ammunition for North Korea.

The BBC's analysis editor looks at what we know about the claims that North Korean troops are involved in the war in Ukraine.