Tottenham have confirmed three supporters have received "indefinite bans" for making Nazi salutes during their Champions League match at Eintracht Frankfurt.
The fans performed the offensive action during Spurs' 2-0 win in Germany at the end of January.
The London club have been heavily sanctioned by UEFA for the behaviour, receiving a €30,000 fine and receiving a suspended ban on selling tickets to away fans for one match.
Tottenham described it as "utterly abhorrent conduct" and vowed to punish those involved.
"The club has been informed of sanctions handed down to us by UEFA following the utterly abhorrent conduct of a small number of individuals at our recent Champions League away match in Frankfurt," a statement read.
"The club has cooperated fully with UEFA’s investigation, as well as with German police on the night and, subsequently, the Met Police.
"We can confirm that all three individuals found to be making Nazi salutes towards Eintracht Frankfurt fans have been identified and have received indefinite bans under the club’s Sanctions and Banning Policy.
"The club stands firmly against all forms of discrimination and has therefore taken the strongest possible action. The disgusting behaviour of a minority of so-called fans on the night is in no way reflective of the values of our club and its supporters."
Spurs received a further fine of €2,250 for the "throwing of objects" by fans at the match on 28 January.
The UEFA Control, Ethics and Disciplinary Board (CEDB) has brought the charges against Spurs, who are in a precarious position domestically after a record-equalling 10-match run without a win in the Premier League.
A statement read: "The CEDB has decided: To fine Tottenham Hotspur €30,000 and to ban Tottenham Hotspur from selling tickets to its away supporters for the next one (1) UEFA competition match, for the racist and/or discriminatory behaviour of its supporters.
"Said ban from selling tickets to its away supporters is suspended for a probationary period of one (1) year, starting from the date of the present decision."
Tottenham’s next Champions League fixture is a last-16 tie away to Atletico Madrid on 10 March.
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