A taxi driver was subjected to racist abuse after asking three men to leave his vehicle.
Police were called around 12.45am on February 3 following reports of the public order offence.
A 33-year-old male taxi driver had picked up three men from Poulton town centre. He had become concerned about the behaviour about one of the men and asked the group to leave his vehicle near the taxi rank on Blackpool Old Road.
He was then racially abused inside the taxi, with further comments made as the group got out of the car.
Police have released CCTV images of two men they would like to speak to in connection with the investigation.
PC Chris Wilding, of Lancashire Police, said: “An investigation is underway after a man was racially abused in Poulton.
“We are appealing for information and are particularly keen to speak to these two men. We hope someone recognises them. If you can help, please contact police immediately.”
Anyone with information can contact police on 101 quoting crime reference WD1800886.