The drone attack on the Borisoglebsk Aviation Training Center named after Chkalov in Voronezh region of the Russian Federation is a special operation of the Main Intelligence Agency (GUR) of the Ministry of Defense of Ukraine, an informed source of the Interfax-Ukraine agency reported.

"This is a special operation of the GUR," the source said.

Earlier, Russian media and Telegram channels reported that two drones attacked the Borisoglebsk Aviation Training Center named after V. P. Chkalov.