Police are appealing for public assistance following an armed robbery in Altona on Saturday, November 18.
Investigators have been told two vehicles were involved in a minor collision on Princes Highway about 7.20pm.
Both vehicles pulled over to the side of the highway near the overpass of Kororoit Creek Road.
The victim, a female driver of one of the vehicles, attempted to exchange details with the two male occupants of the second car.
It was reported that one of the men sprayed the victim in the eyes with an unknown substance, believed to be pepper spray.
The men then stole the victims two mobile phones and a suitcase from her car.
The offenders fled the scene in an unknown vehicle.
The victim was taken to hospital for treatment.
The first man is described as being in his early 30s, approximately 180 centimetres tall, having a medium build and short black hair.
The second man is described as being in his 40s, approximately 180 centimetres tall, having a medium build and grey hair.
Details to: Crime Stoppers on 1800 333 000 or at www.crimestoppersvic.com.au