Nizhnekamsk was subjected to a massive attack by UAVs.
As a result of the attack, there were casualties, said the mayor, Rademir Believ.
"The doctors provide them with all the necessary medical care. Operations and emergency services are working at the scene of the events," he said.
According to the mayor, facilities in the industrial area were also damaged. A well-coordinated and efficient evacuation helped prevent casualties.
The city's water supply was temporarily cut off.