The Security Service of Ukraine has been behind the attack on the Kadamovsky training ground in Novocherkassk, Russia’s Rostov Oblast, that was carried out on 22 December. Source: Ukrainska Pravda source in Ukraine’s Security Service Details: The Ukrainska Pravda source said that this training ground was one of the largest in Russia.

Drones operated by the Security Service of Ukraine blew up an ammunition depot at the Kadamovsky training ground in Russia’s Rostov region. — Ukrinform.

"(The depot) was used by the enemy to supply its troops in the Kramatorsk sector (in Donetsk Oblast). Now the Russians have logistical difficulties, which significantly affect their ability to conduct combat operations,

South Korea's military said on Monday it has detected signs of North Korea preparing to send more troops and weapons, including suicide drones, to Russia to support its war against Ukraine.

North Korea is preparing to deploy additional troops and weapons, including kamikaze drones, to aid Russia in its full-scale war against Ukraine, the South Korean military said on Dec. 23.

Ukrainian President Volodymyr Zelenskyy said more than 3,000 North Korean soldiers have been killed or wounded fighting for Moscow in Russia's western Kursk region.