JOHANNESBURG - Investigations are underway to determine the cause of a blaze that claimed the lives of four toddlers in Mayfair.
The fire broke out at the Johannesburg house where one of the rooms was being used as a day-care facility.
Preliminary reports suggest a heating device may have sparked the blaze.
The incident comes as Gauteng braces for two cold fronts this week.
It's raising concerns about fire safety during winter.