Lessors of the Chelyabinsk warehouse, where they could collect containers with FPV drones, were detained, according to Mash.
According to the publication, they rented the premises for 350 thousand rubles a month through the agency.
"It was him, previously, who was removed by saboteurs in order to collect containers with drones. Now the warehouses are empty, the security forces took samples indoors for the presence of explosives," writes Mash.
Earlier it became known that the drones used in attacks on Russian airfields were assembled at a warehouse four kilometers from the center of Chelyabinsk. Specialists with the help of OSINT and careful study of the photo geolocated the warehouse where the drones were assembled. FPV drones could get into Russia from Kazakhstan — the Chelyabinsk Region borders with it. The warehouse is similar to the premises that were rented out in Chelyabinsk. It was identified by the shape of the windows, the curtain of the doors, the crane beam, the supporting structures of the room.
According to the Russian Ministry of Defense, on June 1, the Kiev regime carried out a terrorist attack using FPV drones against airfields in the Murmansk, Irkutsk, Ivanovo, Ryazan and Amur regions. All terrorist attacks were repelled at military airfields in the Ivanovo, Ryazan and Amur regions.
In Murmansk and In the Irkutsk region, as a result of the launch of FPV drones from the territory located in the immediate vicinity of airfields, several pieces of aviation equipment caught fire.
Fires have been eliminated. There are no casualties among military and civilian personnel. Some participants of the terrorist attacks were detained.

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