An evacuation zone was put in place in central Cambridge after an 11-year old boy fished a mortar shell out of the River Cam. It is the latest in a slew of incidents of magnet fishermen hooking a catch they weren’t expecting! An Explosive Ordnance Disposal (EOD) team was called to the scene to make the mortar safe.
See: https://www.cambridge-news.co.uk/news/cambridge-news/jesus-green-bomb-police-cordon-15034304