North Korean leader Kim Jong Un has ordered the dispatch of 6,000 military construction and demining specialists to rebuild war-torn infrastructure in Russia’s Kursk region, Russian top security official Sergei Shoigu said after a meeting with Kim on Tuesday.

The deployment will include 5,000 construction workers and 1,000 mine clearance specialists, according to Shoigu, adding that his talks with Kim primarily focused on “security-related” issues.

The Kursk region has suffered significant damage to its electrical infrastructure, roads and houses, while “hundreds of hectares” are covered in landmines, Shoigu said, stating that Russia requested the help of North Korean specialists.