This fire broke out during the night from Thursday to Friday and mobilized firefighters for long hours.
The Clermont-Ferrand public prosecutor's office indicates that the investigators' initial findings suggest a possible criminal origin for the fire.
The fire mobilized firefighters for many hours while a fourth resident of this building remains untraceable.
The fire completely destroyed the roof of the building, causing the collapse of the stairwell and several floors.
A 21-year-old man was arrested on Friday morning and then taken into police custody in connection with this case.
A 21-year-old man was arrested on Friday morning and taken into police custody.
Saturday morning, Julien Bony, the mayor of Clermont-Ferrand, spoke in a press release: “Clermont-Ferrand is in mourning.
The fire destroyed the roof of the building, the stairwell and several floors collapsed.