About 300 North Korean troops have been killed and 2,700 others injured while fighting for Russia against Ukrainian forces, South Korean lawmakers said Monday.

Hundreds of North Korean troops have been killed fighting against Ukraine over the last few months, according to South Korea ’s intelligence agency. The National Intelligence Service (NIS) of South Korea said 300 of Pyongyang’s troops have been killed and another 2,700 wounded since joining Vladimir Putin’s forces last year.

Ukrainian President Volodymyr Zelenskyy predicted that his nation's forces would "undoubtedly" capture more North Korean troops.