Boris Johnson visits a mosque in west London. He is accused of inflaming tensions with his burqa remarks

Boris Johnson is at the centre of a new row over racism after an investigation into online abuse revealed his official Facebook page hosts hundreds of Islamophobic messages.

Under entries that publicise Johnson’s articles and speeches, the MP’s followers left comments including calls to ban Islam and deport Muslims, as well as vile attacks on the mayor of London, Sadiq Khan.

Among the remarks on the former foreign secretary’s official Facebook page are calls for “no Muslims in government, police or army”.

One post reads: “That’s crazy to trust them. They are just waiting for the Jihad signal to turn on us. #islamophobicandproud.”

Another tells the Conservative MP for Uxbridge and South Ruislip: “Come on Boris, you had the bottle to start getting rid of