Residents of the Otsky Province on November 13, see drones in the sky. Without panic, this is a planned flight of oil workers, local authorities warned on social media. Unmanned airways in the Batovo Khanty-Mansiysk autonomous Ugrag. During the work, the drone can fly over Utsky County, the authorities said. Flights are carried out by NC "Kondaneft" - the company will check oil pipes, gas pipelines and other facilities from the air. Residents are asked to stay calm. We are always in contact here