Australian Broadcasting Corporation: LEIGH SALES, PRESENTER: Southern Australia is heading for the fourth day of an intense heatwave that's brought record-breaking temperatures.
The scorching heat has put a strain on electricity supplies and stretched ambulance services.
Tomorrow Victoria is potentially facing its worst bushfire threat since Black Saturday.
Strong winds and temperatures over 40 degrees are forecast across the state and South Australia has also issued a severe bushfire warning for tomorrow.
Lisa Whitehead...