Carlton reported it to the match officials in line with Premier League protocols, and the matter was dealt with immediately by both Sheffield United and South Yorkshire Police, who are currently investigating.

Luton Town Football Club will offer Carlton and any other player suffering abuse our full support, and would like to reiterate that we take a zero tolerance stance against all forms of discrimination, whether in person or online.

We would like to thank both Sheffield United officials and the police for their swift actions in dealing with today’s incident.