The mayor of the town of Serguiev Posad, near Moscow, says that 4 have suffered serious injuries.
At least 35 people were injured by a strong explosion at an optical mechanics factory in the town of Serguiev Posad, 75 kilometers north of Moscow, local authorities reported.
Dmitri Akulov, mayor of the city, said on his social networks that 4 of the injured are in serious condition.
Social networks have been filled with images of the explosion, which has almost completely destroyed the surface.
According to local media, the accident took place in a fireworks store and preliminary information considers that it could be due to a violation of safety regulations at the plant.
At the moment, preliminary information considers that the accident could have been due to a breach of safety regulations at the plant.
The rescue teams continue to work and according to the Baza Telegram channel, there could be victims under the rubble.
