A hand-grenade is thought to have been discovered during a litter pick in Great Yarmouth.
Police officers have cordoned off an area around Dickens Avenue.
The item, which is covered in rust, was found in a shrub this morning.
An Explosive Ordnance Disposal team has been called to the scene.
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A psychiatric intensive care hospital in Norfolk which provided child and adolescent mental health services has been closed down
A chilly but bright start to the weekend. It will be dry with plenty of sunshine.
A cold but dry night with a frost forming after midnight.