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.

Ukrainian forces launched an incursion into Russia’s Kursk region in August, a move that undermined Russia’s military prestige and forced it to redeploy troops from eastern Ukraine, where its offensiv

Ukraine's military intelligence says that North Korean troops are suffering heavy losses in the Kursk region and are facing logistical difficulties as a result of Ukrainian attacks

Russia’s top security agency says that it has arrested several suspects accused of involvement in an alleged Ukrainian plot to assassinate senior military officers

The Federal Security Service of Russia said a series of assassination attempts had been foiled. Four Russian citizens have been arrested.