BORIS Johnson is set to be probed by Tory bosses for his comments comparing women who wear burkas to bank robbers and letter boxes.

Reports suggest the party has received a "dozen" of complaints accusing the foreign secretary of breaking the Tory code of conduct.

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Johnson’s remarks were made in Monday’s Telegraph, with the former foreign secretary speaking out against Denmark’s recent decision to ban the burka.

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But while attacking the ban, he went on to say it was “absolutely ridiculous” women chose to “go around looking like letter boxes”. He also compared them to looking like “bank robbers”.

Lady Sayeeda Warsi, a former co-chair of the Tories, and a minister in the House of Lords under David Cameron, accused Johnson of using “alt-right” language.

She then ominously warned: “So, as much as Johnson thinks he’s being his usual clever self, he’s helping to create an environment in which hate crime is more likely.”

Scottish Tory deputy leader Jackson Carlaw, tweeted: “Just to be clear this is not a debate about the prevalence of the #burka. It is about the casual, typically sensationalist and gratuitously offensive rhetoric deployed by @BorisJohnson. It has caused real offence to many of my constituents.