There are claims that parts for what would be the first-ever gun produced in Britain by 3D printing, may have been seized by police in Manchester.
They were recovered during a week long operation against organised crime.
Detectives have sent the items for testing, but the owner of the shop where they were found strongly denies they were for a firearm, saying they were in fact parts from the printer itself.
This report from Adam McClean
More top news
Manchester cake-maker becomes internet sensation after her Star Wars creation.
Cloudy skies, spells of rain and strong gusty winds continue across the northwest over the next few days
A woman has been banned from keeping animals for life after her dog was found in such a bad state of health that he had to be put to down.