Police investigating allegations of racism by Chelsea fans on the Paris Metro have identified three men they wish to speak, Scotland Yard say.
It comes after CCTV images of the three men were released on Friday.
Footage showing a black man being pushed off a train in Paris emerged after Chelsea's 1-1 draw with Paris Saint-Germain on Tuesday.
The alleged victim of the racist attack has reportedly declined an invitation from the club to attend a match at Stamford Bridge.
Chelsea fans came together at a match against Burnley today to unite against racism, it follows the incident in Paris where a black man was allegedly pushed off a Metro train by chanting fans.
ITV News Correspondent Neil Connery reports:
A Man City fan holds up a banner at the Etihad urging the authorities to jail the Chelsea fans guilty of racially abusing a black man on the Paris Metro on Tuesday.
The Metropolitan Police are re-appealing for the public's help to identify two men pictured on CCTV following a racist incident involving Chelsea fans in Paris.
Officers now believe they have identified a third man who they had previously released footage of.
Police in London are supporting their colleagues in Paris as the investigation continues.
Chelsea fans at Stamford Bridge displayed a sign showing their feelings on the recent racist incidents in Paris and London.
Jose Mourinho was greeted with a banner reading "Black or White, we're all Blue".
The electronic advertising normally seen around the match was also replaced with signs saying "Support Chelsea. Support Equality."
John Terry has used his programme notes to condemn the racist incident involving Chelsea fans in Paris, writing:
"Football is a sport for everyone, that is one of the main reasons why we love it, and what happened on the Paris Metro on Tuesday was unacceptable.
"The club has reacted quickly to deal with the situation and will continue to do so."
In September 2012, Terry was banned for four matches by the FA and fined £220,000 for racially abusing Anton Ferdinand.
An anti-racism film has been shown to Chelsea fans ahead of the clash against Burnley at Stamford Bridge today.
It comes as police investigate two alleged racist incidents involving Chelsea fans.
ITV News' Rags Martel reports:
Police are investigating racist chanting at St Pancras Station by men believed to be Chelsea supporters returning from Paris.
The alleged incident comes after a number of Chelsea fans are said to have racially abused a black man on a Paris metro train.
British Transport Police said the men chanted as they walked through the station on Wednesday evening.
“The racist chanting was reported by a member of the public who was disgusted by the behaviour of the men who had travelled on the 18.40 service from Paris Gard du Nord," Superintendent Gill Murray said.
"The men shouted as they walked through the station having alighted from the train a short time earlier.
“If you travelled on the train from Paris or were at the station and have information which can assist our investigation I would urge you to get in touch as a matter of urgency.”
French president Francois Hollande has today spoken to the victim of the Paris Metro incident, according to Le Parisien newspaper.
Mr Hollande praised the 33-year-old, known only as Souleymane, and reportedly thanked him for the dignity he had shown in his public remarks over the incident.
Police have released three images of men they believe were involved in an allegedly racist incident on the Paris Metro.
Five Chelsea fans have been banned from Stamford Bridge over the incident already after a black man was pushed off a Paris train in an apparently racially-motivated incident involving Chelsea supporters on Tuesday.
The Metropolitan Police said in a statement: "The three men are thought to be Chelsea Football Club fans who were travelling to the match against Paris Saint-Germain, at Parc des Princes."
Anyone who believes they may know the men are asked to contact the MPS on 101 or call Crimestoppers anonymously 0800 555 111.