A three-day mourning period has been declared in Nizhnekamsk following the deaths of people in a plant explosion.

В Nizhnekamsk All entertainment and public events have been cancelled, the city's mayor announced. Radmir Belyaev. State flags will be lowered on the buildings of institutions.

According to the latest data, 12 victims remain undergoing treatment in hospitals in Nizhnekamsk and Kazan. The condition of six of them is considered serious, according to the Russian Ministry of Health.

An emergency occurred at a plant in Nizhnekamsk yesterday. Two people were killed and 68 others were injured. A criminal case has been opened for violating industrial safety requirements at hazardous production facilities.