Underworld figure Mick Gatto has returned to his beachside mansion after being arrested as part of an ongoing police investigation into alleged financial crimes and criminal behaviour in the construction industry.
Detectives raided a Mount Martha property, about 50km southeast of Melbourne, on Wednesday morning, arresting two people in their 70s.
Donning a beanie Mr Gatto arrived home escorted by an unmarked police car, opening the gate for officers in the late afternoon.
Police said detectives from Taskforce Hawk also executed warrants in the Melbourne central business district.
The pair were later released pending further inquiries.
"Police also seized a number of items including electronic devices and two controlled weapons including a baton and knife," police said in a statement.