The list of the 16 “least wanted” includes radio talk show host Michael Savage, real name Michael Weiner.

“This is someone who has fallen into the category of fomenting hatred, of such extreme views and expressing them in such a way that it is actually likely to cause inter-community tension or even violence if that person were allowed into the country,” Ms Smith told BBC Breakfast.

Also named are American Baptist pastor Fred Waldron Phelps Snr and his daughter Shirley Phelps-Roper, who have picketed the funerals of Aids victims and claimed the deaths of US soldiers are a punishment for US tolerance of homosexuality.