Police say no complaints have been made over claims Sheffield United fans spat at and threw beer over a "Muslim" woman.
A video, which went viral, claimed Blades fans' celebrating the club's League One title joy were responsible for the incident in London Road on Sunday afternoon.
But a spokesman for South Yorkshire Police has said that no-one has contacted officers to make a complaint.
T/Superintendent Lydia Lynskey said: “At this time, it does not appear that this incident has been reported to the police so we’d encourage anyone with information to get in touch and report via 101 so that we can establish exactly what has occurred and pursue any available lines of enquiry.
“From reviewing the short video footage available online it doesn’t appear to capture the incident taking place so we therefore need as much detailed information from a complainant or any witnesses in order to progress this matter.
“We treat such matters very seriously and will work with the public and community to try and identify any individuals involved.”
Angry United supporters blasted the video which has been shared thousands of times on Facebook and Twitter and shows a woman, described in the video as Muslim, claiming she had been spat at.
The clip shows the woman, clutching a carrier bag and a walking stick, telling an unseen voice that she has been spat on.
She shows the person filming the clip a pair of glasses which appear to be stained and the male voice says: "They spit on you?"
The woman replies "yeah," gesturing towards nearby Blades fans and the male voice replies: "Come on, walk. Walk far away from then. It's no good this."
A description of the video, shared on the Spotted Yorkshire Facebook page reads: "Absolutely disgusting. Shame on you Sheffield United Fans!! Sheffield United Football Club
"These Sheffield United supporters spat on and threw beer on an old women because she is Muslim. She is old aged and walking innocently not harming anyone,this is unacceptable behaviour. Please share and spread awareness."
But angry Blades fans blasted the video as "fake" and say that the incident simply didn't happen and that the woman may simply have been accidentally sprayed with beer by jubilant supporters outside a pub.