Cressida Dick, the Commissioner of the Metropolitan Police, personally looked at whether there was enough evidence to bring charges against any of the Conservative Party leadership contenders following their drug admissions, she has revealed.The head of Scotland Yard said she looked at the issue herself and also asked her team to examine whether there was sufficient evidence to prosecute.But she said on the basis of what she had found there was not enough evidence to take things further.Her comments came after a number of candidates running to be leader of the Tory Party confessed to having taken drugs in the past.Michael Gove, the environment secretary, admitted to taking cocaine on a number of occasions more than 20-years ago when he was a journalist.Boris Johnson has also said in the past he was offered the drug but claimed he had sneezed and had not taken it properly. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. police when they are worried about somebody. That’s as far as it goes. I am a police officer.”Asked about suggestions that the police were unhelpful in confirming the incident when approached by the press she said: “I don’t think we treated this differently from whoever it might have been. We deal with this in exactly the way we would.” Rory Stewart, the International Development Secretary, said he had smoked the drug opium around 15-years ago while attending a wedding in Iran and Jeremy Hunt, the Foreign Secretary, who is still in the race to become Tory leader, said he had drunk a cannabis lassi while travelling in India. Michael Gove admitted to taking cocaine 20-years agoCredit:AFP Asked if she agreed with the Met Police social media post that it was justified for people to get involved where they suspected domestic abuse, she said: “It’s important that people call the Boris Johnson admitted being offered cocaineCredit: Stefan Rousseau/PA The Met Commissioner was taking part in an LBC phone in She replied: “I looked at it myself. I didn’t go through every single one but I said to my team that someone is going to ask me the question. I think I know the answer but let’s just double check.“On the basis of what we know and what we have seen there’s no sign whatsoever that there would be sufficient evidence to take someone to court, so we won’t be doing any investigating.” Asked about the police response to Boris Johnson’s alleged late night row with his girlfriend, Ms Dick said she said she had nothing more to add than that officers were called to an incident where neighbours were concerned about the welfare of a couple.“We talked to the people involved and there was no need for us to take any further action,” she said. Andrea Leadsom and Dominc Raab also both admitted having smoked cannabis while at university.Taking part in a phone in on LBC Radio, Ms Dick was asked whether she considered any of the admissions warranted further police investigation.