Port Phillip Crime Investigation Unit detectives have arrested four people following an aggravated burglary in Templestowe yesterday.
It is alleged the group entered a property on Albert Street and stole three cars using the victim's keys, about 12am.
No one was physically injured.
The vehicles were later found dumped on Jacobena Place in Templestowe and Emery Street in Port Melbourne.
A 17-year-old Black Rock girl, an 18-year-old Eaglehawk man, a 17-year-old Parkville boy and a 17-year-old Reservoir boy were arrested on Dunstan Parade in Port Melbourne a short time later.
They are currently assisting police with their enquiries.
Anyone who witnessed the incident or has information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au