The floor couldn't withstand it and collapsed under extras during filming in the Leningrad region.
As a result of the incident, 15 people were injured.
The injured were taken to a medical facility for further treatment, RIA Novosti writes.
On the last day of filming in the Leningrad region, the set collapsed right under a group of actors.
Some of those who were on the site were injured.
One of the sections on the set, along with people and the film crew, collapsed.
Most of the victims had minor injuries.
The incident occurred during the filming of a new movie by a Russian director.
It is not reported how much the incident will affect the filming process.
