Russia launched a massive attack on Ukraine’s energy grid, leaving many in the country in the dark over the holiday. Retired Col. Jack Jacobs shares his thoughts about recent developments in Ukraine and a potential twist in North Korea’s involvement.

North Korean troops have now entered Russia’s war with Ukraine in a major way, and some have been killed, Western officials say.

Ukrainian special operations forces have captured a North Korean soldier deployed with Russian troops during a mission in Kursk, Russia, the local outlet Ukraine Today reported on Dec. 26. The Ukrainian special forces unit shared a photograph on Telegram showing the captured individual,