Heckenburg smash: NSW Police launch manhunt after two people killed in fatal multi-vehicle collision
A police manhunt is underway after the occupants of a Mercedes, involved in a horror crash that claimed the lives of two people in Sydney’s southwest, fled the scene.
Emergency services were called to Sadleir Ave in Heckenberg at around 9.20pm on Friday, receiving reports of a multi-vehicle collision.
It is understood a black Mercedes crashed head-on into a Toyota Echo before hitting a Toyota RAV4 and flipping on its side.

A manhunt is underway for the occupants of a black Mercedes after a fatal multi-vehicle crash at Sadleir Ave in Heckenberg, in Sydney’s southwest (stock image)
The occupants of the Mercedes then climbed out of the overturned car and fled the scene in a Volkswagen Golf.
The driver of the Echo, a 24-year-old woman, and her 15-year-old male passenger, were both treated by paramedics at the site of the collision.
Both died at the scene.
The two occupants of the RAV4 were not injured.
A crime scene was established and the Mercedes was subsequently seized by police, later undergoing forensic examination.
The 18-year-old male driver of the Golf, which was located by police in Ashcroft, was arrested at Liverpool Police Station at around 11.30pm.
He was taken to Liverpool Hospital for mandatory testing.
Police have appealed for the occupants of the Mercedes, or anyone else who has information regarding the incident, to contact Crime Stoppers.