This is stated on the website of the Rospotrebnadzor administration for the city of Moscow.

An administrative investigation was initiated “in relation to the site where a mass event was held in violation of the mandatory requirements - JSC LUBYANKA-DEVELOPMENT at the address: Moscow, Teatralnaya pr., 5, building 1”.

On May 16, there were reports that the metropolitan department of Rospotrebnadzor would check compliance with anti-epidemic measures in the Central Children's Store in Moscow in connection with information about a mass event in the building.