Bandits carrying a steel pole and a machete have robbed a woman driver with a baby in the car after they crashed into her vehicle in Ascot.
The attack happened about 3.45pm yesterday as the 27-year-old Beechboro woman was driving a Toyota Corolla on Brearley Avenue.
Another woman was in the car and the baby was in a rear-seat capsule.
Police said that when the driver stopped at the intersection of Great Eastern Highway, her vehicle was struck from behind by a gold-coloured Pajero, forcing the Corolla into the intersection.
The two passengers in the Pajero got out, walked up to the Corolla, opened the driver and passenger doors and stole several items including a purse and the keys to the Corolla.
They went back to the Pajero and drove off west along and Great Eastern Highway.
All three offenders are described as being about 30 years of age. The driver was a woman with fair complexion, thin build, with blonde wavy hair.
The second person, a male, has dark complexion, solid build, short dark brown hair, dark clothing.
The third person, a female, has fair complexion, 165cm tall with blonde hair in a pony tail, wearing blue jeans.
Anyone who witnessed the incident or who has any information is urged to call Crime Stoppers on 1800 333 000.