Warning over search for missing Hull man Stuart Gilson
Police looking for a missing Hull man have warned people to exercise caution when searching river bank mud flats.
Humberside Police believe people went on to mud flats by the River Humber at low tide to search for Stuart Gilson.
The 21-year-old went missing on 28 January after a night out. He was last seen on Drypool Bridge, leaving the city centre, on CCTV.
Hundreds took part in unofficial searches for him over the weekend, which was co-ordinated on Facebook.
Volunteers from the Yorkshire and Lincolnshire Search and Rescue (YALSAR) charity joined police officers scouring the banks of the River Humber.
YALSAR assists emergency services in searches for missing people across the Yorkshire and Lincolnshire regions.
They searched the Humber between Paull and the Humber Bridge.
Humberside Police said public support during the investigation had been "excellent".
Despite extensive searches and the distribution of widespread leaflets and posters from friends and family, Mr Gilson's whereabouts still remain a mystery.
Mr Gilson, of Annandale Road, Hull, is described as white, 5ft 7ins tall with a medium build and short dark brown hair.
He was last seen wearing a grey Luke branded polo shirt with a large lion emblem, G-Star jeans and black Fred Perry plimsolls with white laces. He was also carrying a wallet with a built in bottle opener with the words 'beer tokens' written on it.
His family said his disappearance was out of character.
More than 9,000 people joined the group Missing Stuart Gilson on Facebook.
Police have urged anyone with information about his whereabouts to contact them.