Engineers are working to support missile launches, and some North Koreans were reportedly killed near Donetsk

North Korean military engineers have been deployed to help Russia target Ukraine with ballistic missiles, and North Koreans operating in occupied areas of Ukraine have already been killed, senior officials in Kyiv and Seoul said.

There are dozens of North Koreans behind Russian lines, in teams that “support launcher systems for KN-23 missiles”, a source in Ukraine told the Guardian.