That is according to the Telegram channel Astra, Ukrinform reports.

A large fire broke out at Belgorod State Technological University (BSTU) following a Ukrainian attack overnight on August 3, as shown in footage posted by eyewitnesses.

According to Telegram channels, unmanned aerial vehicles (UAVs) were developed and tested at the university.

The university's official Telegram channel confirms that BSTU designed an automated UAV control system based on the Russian Milandr microprocessor. The university claimed that the development was intended for civilian use, including monitoring power transmission lines and heating networks, as well as aerial photography.

As of now, local authorities have not reported any consequences of the Ukrainian attack on the university. However, the regional operational headquarters issued several warnings overnight about the threat of UAV strikes.

Astra also published images showing a fire at Wildberries warehouses in Russia's Vladimir region.

Read also:Drones strike another oil refinery and Wildberries logistics complex in Russia

According to the BBC News Russian, RWB (Wildberries&Russ) confirmed a "fire" at a Wildberries logistics facility in the Vladimir region.

Shortly before that, Vladimir Region Governor Alexander Avdeyev reported a fire at a warehouse in the Sobinsky municipal district of the region on Telegram.

According to him, the fire was caused by a drone attack, and there was "damage" at the site of the strike.

The BBC has so far counted more than 15 Wildberries facilities damaged in attacks.

Overnight on Sunday, August 2, a group of drones struck a number of targets in Russia, including an oil refinery in Saratov and a Wildberries logistics complex in the Samara region.

Photos from social media