The body of a female Chinese national has been found in a freezer after police forced their way into a unit on Sydney's upper north shore.
Officers discovered the body of the woman - believed to be in her 30s - after entered the Pymble unit on Wednesday morning.
Sources say the woman's husband was also a Chinese national and he's left the country with the couple's two children.
"A crime scene has been established which will be examined by specialist forensic officers," a police spokesperson said in a statement on Wednesday.
Police on Thursday were yet to reach out to their counterparts in China over the man's whereabouts and say enquiries are continuing.
Emergency services were called to the unit on Bobbin Head Road about 10am on Wednesday after a friend become concerned for the woman's welfare.
The homicide squad is investigating and a post-mortem examination will be conducted to determine the cause of death.
© AAP 2019