Detectives from the Port Phillip Crime Investigation Unit have arrested a man following a factory fire in South Melbourne earlier this year.
The 30-year-old man was arrested at a Parkville address about 7am this morning.
Detectives executed a warrant and seized a number of electronic and explosive items.
The Parkville man is currently assisting detectives with their enquiries.
The arrest follows a large factory fire on Ferrars Street around midnight on Thursday, 6 May.
The fire caused extensive damage to the single-storey structure.
Luckily, no one was injured during the incident.
The investigation remains ongoing, anyone with information in relation to the incident is urged to contact Crime Stoppers on 1800 333 000 or file a confidential report online at www.crimestoppersvic.com.au