Four people were injured in the collapse of a residential house during renovation work in the Boulogne-Billancourt suburb of Paris, BFMTV television reports.

The incident took place on Tuesday morning, when several workers and the architect were in the two-story building.

According to preliminary data, four of them were injured, and one is in severe condition.

A total of 44 fire and rescue workers have arrived at the scene to help the victims and clean up the rubble.

The reasons for the collapse of this house have not been reported yet.