The man and woman, aged in their 50s, were using a charcoal heater to try and stay warm overnight as the temperature plummeted to three degrees. They never woke in the morning and are now fighting for their lives in hospital. The man and woman, aged in their 50s, were using a charcoal heater to try and stay warm overnight as the temperature plummeted to three degrees. They never woke in the morning and are now fighting for their lives in hospital. National / WA Sydney Morning Herald – Latest News