Theresa May rejects Boris Johnson's request to use water cannon

Home secretary snubs London mayor and refuses to allow water cannon to be used by police anywhere in England and Wales The home secretary, Theresa May, has rejected an attempt by Boris Johnson to deploy water cannon on the streets of London and refused to authorise their use by any police force in England and Wales. The home secretary heaped further humiliation on the London mayor by telling him that the three 25-year-old German water cannon, which he authorised to be bought last year by the Met...