Leeds United manager Neil Warnock has criticised Chelsea's decision to file a complaint against referee Mark Clattenburg by accusing the club of "disgusting" behaviour and "trying to kill" the official.
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Clattenburg is being investigated by both the Football Association and police after Chelsea alleged that he used "inappropriate language" with reference to two of their players in Sunday's match against Manchester United at Stamford Bridge.
But Warnock, who was manager of Queens Park Rangers at the time of the incident involving John Terry and Anton Ferdinand at Loftus Road last year, has defended the referee.
Clattenburg's most high-profile decision was to dismiss Fernando Torres for diving, with replays suggesting he was fouled by Jonny Evans, and Warnock doubts whether a complaint would have been made had Chelsea won the game.
He told talkSPORT: "You know my relationship with referees but I have got to say I am disgusted with what's gone on. I'm on Mark Clattenburg's side.
"We ask referees to man-manage and that's what he does. I'm sure he might have said a few things but are you telling me if Chelsea had won that game that there would have been one iota of a complaint?
"He's not had the best of games but the Torres one was the one decision he got slightly wrong. I think he has made a mistake but they are trying to kill him and I don't agree with that at all."
Information from the Press Association was used in this report