Welcome to the 9News.com.au live blog for Tuesday, December 6, 2022. Mortgage holders are set for more pain today with a further interest rate increase expected from the Reserve Bank of Australia. American actress Kirstie Alley has died aged 71, after being diagnosed with cancer. The head of Melbourne’s Royal Children’s Hospital said it has been facing challenges for months, after up to 12-hour waits in its emergency department overnight. A zoological mystery has been solved after the remains of the last-known Tasmanian tiger were found in a museum cupboard. And an early summer heatwave is on the way for a vast swathe of the nation’s north.