Home Secretary Theresa May was tonight urged to ban the leader of the far-right Jobbik Party from Britain amid claims he plans to attend an event in central London this weekend.

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A rally of the far-right Jobbik party against a gathering of the World Jewish Congress. Photo: Michael Thaidigsmann

Gabor Vona was among members of the party, the third largest in the Hungarian parliament, that addressed a rally in Budapest last May in protest at the city’s hosting of a World Jewish Congress meeting.

Now, London Assembly member Andrew Dismore has told the Jewish News that he has discovered plans for Vona to attend a gathering in Holborn on Sunday, just hours before Holocaust Memorial Day.

Dismore, the London Assembly member for Barnet and Camden, described Jobbik as “the most powerful outwardly fascist political party in Europe. Our Jewish and Roma communities in London, for whom Jobbik reserve special hate, need defending against their filthy ideas.  I have no doubt that all decent thinking people in London will join with me in demanding that the Home Secretary says ‘No to Jobbik’ ”.

In his letter to the Home Secretary, the Labour politician, who has also urged police to ban the event, added: “While I advocate the right to free speech in our society, this must also be balanced against other human rights. It is particularly important to note that his event is being held on the eve of Holocaust Memorial Day when the offence of his meeting will be all the more damaging.”