Armadale Detectives are investigating a car jacking in which a taxi was stolen in Armadale overnight.
A man approached a taxi at the taxi rank located a shopping centre on Commerce Avenue at around 12:30am this morning and asked to be taken to an address.
Before the taxi departed, the man threatened the taxi driver with a syringe.
The driver managed to get out of the taxi and the man drove off in the taxi.
The taxi was located abandoned on Mardi Court in Armadale.
Anyone with information about the incident is asked to contact Crime Stoppers on 1800 333 000 or make a report online at www.crimestopperswa.com.au.