The UAV attack on the Leningrad region on November 11 became the most widespread since the beginning of the year.
The target of the attack was the port area of Ost-Luga. As a result of the impact of several drones, a fire occurred, the governor of the region said.
Three workers were injured. There is no danger to life, the Leningrad region reported.
The Smolensk region was also subjected to a massive drone attack by the armed forces of Ukraine.
Two people died, the regional governor said.