A police cordon was set up yesterday on Mansbridge Road in Swaythling.
Officers have now confirmed that a bag containing three firearms was found by workmen in the area.
Police and forensic teams arrived at the scene yesterday afternoon.
A cordon was put in place around an area of woodland opposite Ozzy’s Kebab Van.
A spokesperson from Hampshire Constabulary said: “We were called at about 1.30pm yesterday (9 February) to an area of woodland off Mansbridge Road.
“During ongoing work in the area by Southampton City Council, a workman discovered a bag containing three firearms.
“Officers attended and a thorough search of the area was conducted.
“No further items were found and there is not believed to be any wider risk to the public at this time.
“Enquiries are ongoing to establish where the firearms came from.”
Anyone with information should call 101 or report online using reference number 44230055240.
A message from the Editor
Thank you for reading this article on the Daily Echo. Your support means we can bring you the latest breaking news, exclusive Saints features and coverage – and much more.
Digital subscribers get unrestricted access to all of our stories, our dedicated app including e-version of the newspaper, and an advertising-light website.
If you want all the latest articles delivered straight to your inbox you can join the thousands of subscribers who are signed up to our newsletters.
They include our popular daily morning news briefing, breaking news, crime and court, and Southampton FC bulletins – plus business, heritage and our what’s on newsletters.