A senior Ukrainian intelligence official reports that North Korea has sent a new wave of troops to Russia, totaling 8,500. This group includes a drone unit that could potentially attack targets inside Ukraine. North Korea and Russia have a mutual defense pact, and their military cooperation may be expanding.

Further details are available from the source, including potential future troop deployments. The situation is being closely monitored, particularly as Ukraine faces air defense shortages.

The source provides more information on the developing situation and the potential implications of increased military cooperation between North Korea and Russia.