Bomb disposal experts were called in after a magnet fisherman pulled ammunition from a river.
Police were alerted at around 9.30am on Saturday (October 31) morning by the fisherman, who made the find in a channel of river off Thornham Road, Methwold.
The area was cordoned off by officers and a bomb disposal unit was called in to assist.
According to a police spokesman, the team from Explosive Ordnance Disposal (EOD) identified the ammunition as a “small target charge”.
It was then safely disposed of using a controlled explosion and the scene was considered safe by around 1pm.
King’s Lynn police tweeted to say there were “no suspicious circumstances”.
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