Lord David Pannick and Lady Helena Kennedy both thought the protections in the bill for churches and individuals who had conscientious objections to gay marriages were watertight.

BBC: Trench warfare

In the High Court hearing earlier this month David Pannick QC, for the Home Office, said Mr Farrakhan had expressed regret to the court over past remarks about Jews.

BBC: Farrakhan's UK visa stirs up controversy

The judgement, though, could hardly be more clear-cut, and will raise serious questions about the BOA's decision to take the argument to CAS. The BOA has already hired David Pannick, one of the country's best known lawyers, to present its case.

BBC: Olympic chief Jacques Rogge snubbed in Olympic cash row