The figure came after a string of stabbings in the last few days culminating in a 22-year-old being killed in front of hundreds of shoppers in Oxford Street, prompting one of London's most senior policemen to vow: "Enough is enough." Boris Johnson's most senior adviser on policing, Kit Malthouse, said knife crime was now tarnishing London's reputation around the world. "It is a scandal and a disgrace," he told the Standard.