Three Chelsea supporters wanted in connection with alleged racism on the Paris Metro have been identified, police say.
The men, whose names have not been released, are accused of being among a number of Chelsea fans caught on camera shouting racist chants ahead of Tuesday's Champions League match against Paris St Germain.
Video footage shows the group preventing a member of the public - Souleymane Sylla - from entering an underground train.
Some chanted: "We're racist, and that's the way we like it".
Their pictures were released as part of an investigation launched by the Metropolitan Police.
Police are also investigating allegations that another group of men - believed to be Chelsea fans - sang racist songs as they arrived into St Pancras Station in London on Wednesday evening.
A member of the public reported the men, who were believed to have been returning home from the same PSG match.
Chelsea have suspended five supporters from attending matches following the Paris incident after carrying out their own investigation.
Manager Jose Mourinho said he was "disgusted" and "ashamed" by the behaviour, adding that the club would be writing to Mr Sylla to apologise.
He told Sky Sports he hoped Mr Sylla would accept the club's invitation to attend the return game against Paris St German on 11 March.
However Mr Sylla told French newspaper Le Parisien: "I appreciate Mr Mourinho's invitation, but I can't get my head around being in a stadium at the moment".
In an interview with the Guardian, he said: "What happened has left me really afraid. I just want justice to be done, no more than that.
"I was a little bit hurt physically but in terms of morale I was hurt a lot. It has really affected my life. I can't go back into the Metro, it makes me really afraid. I don't think you should be denied the right to take the Metro because you're black. That's what they wanted."
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