An Explosive Ordnance Disposal (EOD) team was called to Boston police station in Lincolnshire after a member of the public handed in a suspected 25mm shell.
The EOD team was mobilised to ensure that the shell wasn’t hazardous and so that it could be safely destroyed.
See: https://www.lincolnshirelive.co.uk/news/local-news/boston-police-station-bomb-squad-3570388