Big brawl outside service station

A car window has been smashed in a brawl involving up to 15 people outside a Hoppers Crossing service station.
3AW Drive was alerted to the incident on Monday afternoon.
Police confirmed they were investigating.
No injuries have been reported.
Anyone with information is urged them to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au