Two KF-16 fighter jets dropped eight bombs in a rural area near the North Korean border. Footage showed plumes of smoke and damaged trucks, houses and a church.
"China is very careful. They're very cautious," Oleksandr Merezhko, head of Ukraine's Foreign Affairs Committee, told Newsweek.
Neither Moscow nor Pyongyang have confirmed the new deployment ... already in Russia had been re-deployed to the front line in Kursk at the start of February "after about a month of lull".
North Korea test-fired strategic cruise missiles into the Yellow Sea in a demonstration of Pyongyang's nuclear deterrent capabilities, state-run media said Friday.
The fresh deployment comes after North Korea suffered heavy casualties on the front lines in Russia’s war against Ukraine, the South’s spy agency says.