police are investigating claims of racist behaviour by football fans on a train . Four fans , thought to be Chelsea fans , were ordered off the train . police seized a black van moved carriage in protest at the fans . Police are also investigating Chelsea fans ' behaviour on Paris Metro . Seven Chelsea fans being sought over lunch at St Pancras station .
Police are investigating claims of racist chants by football fans on a train . Four fans , thought to be Chelsea supporters , were ordered off the train . Witness says a black man moved carriage in disgust at the fans . Police are also investigating Chelsea fans ' behaviour on Paris Metro . Seven Chelsea fans being sought over incident at St Pancras station .