By Danyal Hussain For Mailonline
Published: 01:27 BST, 1 September 2019 | Updated: 01:27 BST, 1 September 2019
The Metropolitan Police have defended an armed police officer who escorted the Chancellor's aide out of Downing Street after she was sacked by Dominic Cummings.
Colleagues claimed that the Prime Minister's all-powerful Brexit chief had used the officer to humiliate Sonia Khan, 27, over a political feud.
But Scotland Yard insisted that it was 'standard practice' for Downing Street visitors to be escorted off the premises after a meeting.
Ms Khan, one of Sajid Javid's top advisers, was fired by Cummings on Thursday evening for allegedly misleading him over the extent of her contact with Philip Hammond – her former boss at the Treasury and an avowed opponent of Mr Johnson's Brexit strategy.
Sonia Khan, 27, was marched out of No10 by an armed police officer after being sacked by Dominic Cummings
The sacking left Mr Javid 'absolutely furious' and he confronted an 'apologetic' Mr Johnson on Friday to demand an explanation about why Ms Khan had been escorted out of Downing Street by police.
Attention was drawn to the armed officer who escorted Ms Khan from No10, with a former colleague saying that it was done to embarrass and upset a 'young female aide'.
One ex colleague said: 'Dozens of visitors leave Downing Street through the front door without a pass every day without being escorted.'
Stephen Doughty, a Labour member of the Commons home affairs committee, also said that he would be asking Sir Mark Sedwill, the Cabinet Secretary, and Met Commissioner Cressida Dick to 'explain urgently whether any protocols or codes of conduct were broken'.
According to the Telegraph, on Friday night, a