Police have seized a stash of lethal weapons including 19 guns and a collection of hunting knives after raiding a long boat and a house.

Officers executed warrants in Twickenham and at Henry Wharf, Brentford Dock, on Tuesday, September 6.

They seized 19 guns, including revolvers and a semi-automatic pistol, 150 rounds of ammunition, hunting knives, tools for making bullets and documents detailing how to convert firearms.

Officers arrested a 44-year-old man in Brentford on suspicion of firearms offences and took him to a west London police station. Forensic teams have started tests on the weapons.

Anyone with information should call Crimestoppers on 0800 555 111.