Police and coastguards have been searching a remote stretch of the Broads for a man who has been missing since his boat capsized.
The man was with four other people in a small vessel which began to sink on the River Waveney, between Beccles and Oulton Broad, late last night (July 10).
All five ended up in the water, but four were able to get to safety.
The emergency services were sent to the area, near to Aldeby, in Norfolk, and Barnby, in Suffolk, at around 9.40pm and a search of the waterway and riverbank was launched.
It involved units from the Lowestoft and Gorleston coastguard, police, the fire service and Hemsby Broads Rescue, as well as a coastguard helicopter.
The search lasted for several hours, before being scaled down at about 4am.
Emergency services have been at the scene throughout the day, with police, coastguard and Broads Authority boats still combing the stretch of river.
Divers were also conducting underwater searches.
The spot where the boat sank is among those most inaccessible on the Broads, with road access via long tracks across the marshes.
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A Maritime and Coastguard Agency spokeswoman said: “At approx. 9.40pm on July 10, HM Coastguard received a 999 call from a member of the public reporting a sinking vessel on the River Waveney, north of Barnby, with five people on board.
“Lowestoft and Gorleston Coastguard Rescue Teams, Hemsby Broads Rescue, the Coastguard Helicopter from Lydd, East of England Ambulance Service, Norfolk Fire and Rescue Service, Suffolk Police and Helimed85 were immediately sent to assist.
“Four people were able to self-recover from the water, with a search taking place for one outstanding person overnight – this has now concluded.
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“HM Coastguard continues to support emergency service partners.”
An ambulance spokesman said that none of those who were able to get to safety from the boat required hospital treatment.
A Suffolk police spokesman said: "Four people self-recovered from the water, but one man was unaccounted for. Suffolk Police have been supporting a search of the river - led by HM Coastguard - which has now concluded for the time being, with the missing person not located.
“Police officers are continuing with a number of enquiries in respect of the missing man and will continue to liaise with HM Coastguard and other partners.”
Hemsby Broads Rescue spokesman said: "The occupants on the vessel were all in the water to start with, and all but one had managed to get to safety.
"A detailed search was undertaken by multiple agencies through the night.
"This was a well-executed and collaborative search. Agencies stood down at 4am."
The person's relatives have been informed.
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