The European Court said the penalty imposed had been "disproportionate" and violated Article 10 of the European Convention on Human Rights, which safeguards freedom of expression.

BBC: Nicolas Sarkozy - file pic

The judges' decision is thought to be the first time an English court has ever blocked an extradition request from a foreign government on the grounds that it would violate Article 6 of the European Convention on Human Rights, which safeguards the right to a fair trial.

BBC: Rwanda accused win UK court case

The Alzheimer's Society said the safeguards help protect human rights, but that it was concerned about the uneven use of them across the country.

BBC: UK