Two men have been charged and another was arrested for alleged extortion of a Campbellfield business.
The charges follow an incident in October where demands for cash from the owner of an unnamed Campbellfield business were made.
Police also allege a number of further threats were made over the following weeks, including an incident where a firearm was used and one where a vehicle was taken from the business address.
A 40-year-old Roxburgh Park man was arrested on Friday, December 1, on Mahoneys Road Thomastown.
He has been charged with two counts of extortion, two counts of threats to kill, theft of motor vehicle, proceeds of crime offences, possession of testosterone, threats to inflict serious injury and possession of a firearm.
He faced court on Saturday.
Warrants were also executed in Roxburgh Park and Mickleham and a Mongols club house in Port Melbourne.
A 43-year-old Roxburgh Park man was arrested in Melbourne CBD.
He was charged with two counts of extortion, threats to kill, threat to inflict serious injury and theft of motor vehicle.
Both men were set to face court on Saturday.
A 25-year-old Mickleham man was arrested at the Mickleham address and later released pending summons for handling stolen goods.
The investigation remains ongoing.
