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.

North Korea will send thousands of military construction workers and sappers to Russia's Kursk region to help rebuild it after a Ukrainian incursion that North Korean troops helped Moscow repel this year,