“London is more Islamic than many Muslim countries put together”, according to Maulana Syed Raza Rizvi, one of the Islamic preachers who now lead “Londonistan”, as the journalist Melanie Phillips has called the English capital. No, Rizvi is not a right-wing extremist. Wole Soyinka, a Nobel Laureate for Literature, was less generous; he called the UK “a cesspit for Islamists”.

“Terrorists can not stand London multiculturalism”, London’s mayor Sadiq Khan said after the recent deadly terror attack at Westminster. The opposite is true: British multiculturalists are feeding Islamic fundamentalism. Above all, Londonistan, with its new 423 mosques, is built on the sad ...