Amesha Rajapaksha a 31-year-old Sri Lankan woman living in Sydney, Australia was found dead in an abandoned creek.   

The Sydney police has mobilized a task force to determine the cause for her death.

Speaking to the police Sahan Rajapaksha the brother told that said his sister had gone out to buy food around 7.30pm but never returned home.

She was reportedly found with a scarf tied around her neck in a swollen creek in a hard-to-get to area on the other side of a large wall.

The pair lived at the Absolute Waterfront Apartments Monarco Westmead with their father.

According to Australian media, Amesha Rajapakse was last seen pacing the foyer of her unit block looking agitated and using a thin scarf to keep the secured door open as she came in and out.

The Australian police has said that they have begun preliminary investigations on her death and that more could not be said before the post mortem.

The siblings have been living in Australia since 2009.