Police have seized several prohibited weapons and precursors for explosives during a search of a Lake Macquarie home.

About 12.30pm on Tuesday Lake Macquarie Police were assisting Sheriff’s Officers with an eviction order at a Swansea property, where they spoke with three people – two women and a man.

All three people left the premises. 

During an initial search of the home, sheriff officers allegedly located a firearm near the front door of the premises.

Police declared a crime scene and subsequently executed a search warrant. 

During the search, officers located and seized, more than a dozen firearms, ammunition, knuckle dusters, a sling shot a crossbow, a jet ski, a trailer believed to have been stolen, cash, prohibited drugs and powders believed to be precursors for the manufacture of explosives.

All items were taken to Belmont Police Station for forensic analysis, while the jet ski and trailer were returned to the owner.

An investigation has been launched into the origins of the items located within the home.

Anyone who may have information which could assist investigators is urged to contact Crime Stoppers on 1800 333 000.

Images: Lake Macquarie Police