Chelsea and the Football Association have been criticised by a campaigning group after the police announced no action will be taken over alleged comments made by referee Mark Clattenburg.

Tottenham supporters who use the word “Yid” are guilty of provoking opposing fans in to chanting their own anti-Semitic songs, the Society of Black Lawyers has claimed.

The Society of Black Lawyers hit out at Tottenham and the Football Association after repeating its threat to go to the police over what it regards as anti-Semitic chanting at White Hart Lane.

Mark Clattenburg will not referee a match for a second weekend running as he prepares to answer accusations from Chelsea.

English football was today facing up to one of its biggest crises of modern times as the Mark Clattenburg affair threatened to explode into another bitter racism saga.

The Metropolitan Police decision to launch an official investigation into allegations referee Mark Clattenburg used inappropriate language against two Chelsea players has sparked a new debate over the role of police in football matters.

Mark Clattenburg and the Football Association were today both waiting to discover whether police would investigate allegations the referee used “inappropriate language” towards Chelsea stars John Obi Mikel and Juan Mata.

Chelsea’s accusation that referee Mark Clattenburg used inappropriate language towards two of their players is spiralling into another huge controversy for the Premier League after the official was stood down for next weekend’s fixtures and police were urged to take up the case, just as they did recently with John Terry.

Mark Clattenburg was tonight facing the prospect of a police and Football Association investigation into allegations he used “inappropriate language” towards Chelsea stars John Obi Mikel and Juan Mata.

Football Association chairman David Bernstein has called on disenchanted players not to form a breakaway union and revealed the governing body will review its sanctions for racial abuse in the wake of the John Terry case.

The alleged ‘‘shoe bomber’’ Richard Reid was today preparing to appear in a US court as his parents spoke of their shock that he had apparently tried to bring down a passenger plane.