North Korea will send 6,000 military workers and combat engineers to help rebuild Russia's Kursk region, Moscow's top security official said, in the latest show of growing ties between the two countries.

Thousands of North Korean laborers are already toiling in Russia. A new contingent is headed to the region where North Korean troops fought Ukraine.

Out of the 11,000 soldiers sent to the frontline, more than 6,000 have lost their lives says the British Defence Intelligence