Johannesburg Emergency Management Services spokesperson Robert Mulaudzi said the fire that gutted the building at the corner of Albert and Delvers streets started around 01.30 am.

Mulaudzi added that firefighters had evacuated the building's occupants on arrival and those who were injured in the blaze were transported to hospital and officials from the City of Johannesburg Disaster Management have been activated to start facilitating relief efforts for the affected.

The cause of the fire is still unknown.

This is a developing story.