Investigators say the driver routinely picked up a passenger on Church Street around 6.30am Monday morning.
The man threatened the driver with a weapon, requesting he be driven to Hampton park.
In Oaktree Drive, the taxi driver called police after the man fled the vehicle.
A short time later, police arrested the 22-year-old from Melton and seized a knife.
Police are urging anyone who witnessed the incident or has information to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.auExternal Link
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