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.

SEOUL: South Korea's spy agency said Friday it had confirmed that a North Korean soldier sent to back Russia's war against Ukraine had been captured by Ukrainian forces. Pyongyang has deployed thousands of troops to reinforce Russia's military,

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