Netcare 911 paramedics, Ethekwini Fire and Rescue and other services responded to a fire on Arbee Drive in Tongaat this morning.
Upon their arrival on scene they found that a fire had broke out in an apartment building.
A man believed to be in his seventies and a seven-year-old child were found to be in a serious condition and was transported to hospital after receiving treatment at the scene.
Exact details to the cause of the fire and preceding events will remain the subject of an investigation.