Ukraine’s President Volodymyr Zelensky said Friday that several “seriously wounded” North Korean soldiers died from their injuries after being captured by Ukrainian forces.

At the same time on Saturday, the Ukrainian armed forces reported 179 separate clashes along the tense line of contact, facing down attacks around the northeastern city of Kharkiv and the city of Pokrovsk in the country's Donbas region. They estimated as many as 1,730 Russian personnel were killed or captured in the assaults.

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

Ukrainian President Volodymyr Zelensky confirmed Monday more than 3,000 troops from North Korea have been killed so far fighting next to Russian forces.

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.

Zelenskiy reports battles near Makhnovka, Kursk region North Korean and Russian troops suffer significant losses Fierce battles along 1,000-km front line, Pokrovsk hardest hit Jan 4 (Reuters) - Ukrainian President Volodymyr Zelenskiy said on Saturday that Russian and North Korean forces suffered heavy losses in fighting in Russia's southern Kursk region.

Russia has lost up to a battalion of North Korean soldiers over the past two days in its western Kursk border region in the ongoing war against Ukraine, Ukrainian President Volodymyr Zelenskyy has said.