According to RIA Novosti, the first wave thundered in the central square area. After a while, about twenty more explosions were heard.
The authorities declared a missile threat at 05:54 Moscow time. Local residents were asked to stay home and stay away from windows.
A little later, the head of the region, Vyacheslav Gladkov, reported on his Telegram channel that there had been no casualties due to the emergency. Details will be released soon, he added.
