U.S. confirms additional N. Korean troops deployed to Russia to replace lost forces

A U.S. defense ministry official has confirmed the additional deployment of North Korean troops to Russia.

According to U.S.-funded news outlet Radio Free Asia on Thursday, the exact number of troops wasn't specified, but the official stated that they are intended to replace those killed on the front lines.

On Wednesday, South Korea's National Intelligence Service said it is closely monitoring potential North Korea-Russia drone cooperation, amid speculation that North Korean troops are being trained by Russia in drone operations and tactics.