Two women were subjected to homophobic abuse as they sat together in a pub on the day of Leicester's Pride festival.
The victims, aged 29 and 34, were targeted as they relaxed with family and friends in the Old Horse, in London Road, Leicester.
They have told police a middle-aged woman made offensive and upsetting homophobic remarks to them in the pub's garden.
The incident happened at 6.45pm on Saturday, August 30, as the city's annual Pride festival was taking place across the road from the pub in Victoria Park.
Pc Charlotte King, who is investigating the incident, said: "This was an upsetting incident which caused distress to the victims.
"While extensive inquiries have been carried out by officers to identify the person responsible, we are appealing for witnesses as the incident took place on the evening of the Pride Festival, which may jog someone's memory.
"If you were in the Old Horse public house at the time of the incident or you think you know who the suspect is, it is not too late to come forward."
The suspect, who was sitting at a table in the garden with a man, is white, 45 to 50 and has shoulder-length, blonde curly hair. She was wearing a light-coloured top
Contact Pc King on 101 or Crimestoppers, which is anonymous, on 0800 555 111.
