Provincial police say an estimated $4 million in cocaine and marijuana have been seized from a property in Norwich Township.

Several OPP agencies were involved in the search at a property on Oxford Road 55 on Friday that police say revealed a large and sophisticated indoor grow op.

Officials say the combined estimated street value of the seized controlled substances is approximately $4 million.

In addition police seized offence-related property including; vehicles, trafficking equipment, cash and a restricted hand gun with a combined estimated value of approximately $120,000.

Police say arrest warrants will be sought for several individuals on charges including; production of marijuana, possession of marijuana for the purposes of trafficking, possession of cocaine, possession of a restricted weapon, possession of a prohibited device and unsafe storage of a firearm and ammunition.

The investigation is continuing.