Fawkner Embona Taskforce officers are appealing for public assistance after shots were fired in Pascoe Vale last week.
Police have been told a man was seen discharging a firearm into the air from a car on Arndt Road about 4.44pm on Wednesday 17 June.
No one was injured and the man drove away from the scene.
The man is believed to be aged in his 20s, wearing a hooded jumper and was driving a white Hyundai i30.
Investigators have released an image and CCTV of the car in the hope someone can provide further information.
Police are also keen to speak to any witnesses or anyone with dash-cam footage who may have been in the vicinity of Arndt Road, Cornwall Road and Pascoe Street.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au