Arson and explosives squad detectives, together with the Special Operations Group, arrested the 32-year-old in Castlemaine after executing a search warrant at a home in the town.
"The investigation relates to the alleged possession of substances and items to assist in the manufacture of explosives," police said in a statement.
"Immediate neighbors of the home being searched have been asked to leave their homes while the Bomb Response Unit and investigators process the scene."
No further details were immediately available.
(H-AK)
Editor: Ella Syafputri
Copyright © ANTARA 2011
