Thousands of social media users have been appealing for any information regarding 22-year-old Stone Roses fan, Chris Brahney, who has been missing since the reunion gig on Friday 29 June.
The barman from Timperley, Greater Manchester, was last seen at the concert in Heaton Park at around 11.30pm. His friends have said that they lost him, and he hasn't been seen since.
Greater Manchester Police are investigating the disappearance.
Det Insp Deborah Oakes said: “Christopher’s family are clearly very worried about him and are desperate for any information relating to his whereabouts."
A group created on Facebook now has over 121,000 members and has been urging people to share a picture of Chris, including one of what he was wearing to the concert. His friend explained on the group 'We lost Chris at the stone roses gig on friday night and we havent heard from him since. Has anyone seen him since?'
On Twitter too, thousands have been urging anyone with information to contact the police, as well as circulating the photograph.
He is white, slim and has short brown hair. He was last seen wearing a dark blue top, light blue shirt, maroon trousers and green wellington boots.