Australia news live: post-Christmas heatwave sparks health warnings; Murray flood waters expected to peak

Heatwave warnings have been issued in four states with temperatures 8C to 16C above average. Follows the day’s news live

A summer heatwave is expected to peak across southern parts of the country on Tuesday, while the Northern Territory sees more heavy rainfall.

Heatwave warnings have been issued for Western Australia, South Australia, Victoria and Tasmania with temperatures 8C to 16C above average.

Although the system will temporarily weaken during Tuesday, heavy rainfall and thunderstorm activity is forecast to continue.