Three apartments caught fire on the third storey of a block of flats in Ferndale, Randburg on January 1.
Newzroom Afrika reported live from the scene, and after speaking to residents, it remains unclear what started the fire.
Residents are still not being allowed access to the building.
A child was taken to hospital after suffering burn wounds, SABC News reports.
Updates to follow as more information is made available.
(Compiled by Nica Schreuder)
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