Luton have threatened to ban any supporters who are found to have taken part in tragedy chanting during Sunday's home match with Liverpool.
The Football Association has asked the club - and police - for their observations after taunts indirectly referencing the Hillsborough disaster were heard during the 1-1 draw, while it's understood Liverpool have also asked what measures are to be taken.
Luton issued a statement saying they were "saddened" and "extremely disappointed that a small number of supporters soured the occasion with chants that may be interpreted as being in relation to tragedies that have affected Liverpool FC in the past".
The statement added: "The club condemns any kind of chanting that knowingly seeks to divide, and our safety and security team launched an internal investigation at the earliest opportunity".
Luton said they were reviewing CCTV evidence and media footage and also speaking to witnesses to identify individuals, who could face stadium bans and criminal prosecutions.
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