SALFORD, ENGLAND - MAY 16:  British National Party candidate Gary Tumulty canvasses for votes in the Irwell Riverside by-election, in the constituency of Labour minister Hazel Blears on May 16, 2009 in Salford, England. Tumulty is hoping to gain votes in the by-election next Thursday from voters who have a disaffection with the main political parties. During his canvassing round, which started outside the offices of Hazel Blears and used a mock-up of pigs in a trough, party members also campaigned for the European and local council elections in June. Getty Images logo Getty Images 7 months ago

SALFORD, ENGLAND - MAY 16: British National Party candidate Gary Tumulty canvasses for votes in the Irwell Riverside by-election, in the constituency of Labour minister Hazel Blears on May 16, 2009 in Salford, England. Tumulty is hoping to gain votes in the by-election next Thursday from voters who have a disaffection with the main political parties. During his canvassing round, which started outside the offices of Hazel Blears and used a mock-up of pigs in a trough, party members also campaigned for the European and local council elections in June.