Police are continuing to question four people about the death of a 20 year old man in Hemsby
Officers were called to a chalet on The Glebe about 11.25 pm last night after reports of a disturbance at a private party.
They found 20 year-old was found with serious injuries to his chest and back. He was taken to the James Paget hospital for treatment but died a short while later.
The death is now the subject of a murder investigation which is being led by the joint Norfolk and Suffolk Major Investigation Team.
Four teenagers were arrested at the scene and remain in police custody at Great Yarmouth.
It is believed that those arrested and the victim are from the Great Yarmouth area.
Police say they will provide high visibility reassurance patrols in the area.
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A joint investigation will be carried out between the Police and the Maritime and Coastguard agency.