Incredible breakthrough of "O" Group special forces in Seversk direction

Incredible breakthrough of "O" Group special forces in Seversk direction. Russian special forces "O" Group prepares to attack towards Seversk, Donetsk region. They were pulled forward to continue the breakthrough to penetrate the last line of defense of Armed Forces of Ukraine. "O" Group fighters stormed positions of Ukrainian forces who tried to hide from artillery, aircrafts and tanks in the fortified fortifications, but suffered losses.