Five teenagers, including two boys from Longwarry, were arrested after a stolen vehicle crashed into a power pole in Morwell.
Police said three of the youths remained at Latrobe Regional Hospital under police guard.
A white Mitsubishi Outlander was reported driving erratically on the Princes Hwy at Drouin on Sunday at about 1pm. The vehicle was reportedly stolen from Clyde North.
Police allege the vehicle didn't comply with directions to stop as it reached speeds up to 166km/h at Drouin.
The vehicle later collided with a power pole in Morwell, cutting power to the area for eight hours.
Five teenagers allegedly travelling in the vehicle were arrested at the crash site, including a 15-year-old Longwarry boy who was believed to be the driver.
The passengers included a 14-year-old boy from Longwarry, 15-year-old girl from Traralgon, 17-year-old boy from Morwell and 18-year-old boy from Morwell.
Two of the teenagers were released pending summons. The 15-year-old from Longwarry and two other teenagers remain in hospital under police guard with non life-threatening injuries.
Weapons seized
Weapons and a small quantity of drugs were seized after a search warrant was executed at a Thorpdale property on Friday.
Detectives from Morwell divisional response unit (DRU) and Baw Baw crime investigation unit (CIU) executed a firearms search warrant at 10am.
They seized an imitation firearm, crossbow, Samurai sword and a small quantity of drugs.
A 37-year-old Thorpdale man was interviewed and released pending summons.