He banned booze on the tube, now Boris Johnson is forcing binge drinkers to wear electronic tags.
London's mayor is launching a pilot scheme to fit drunken offenders with tags which detect alcohol in sweat.
More top news
Industrial vacuum cleaners and magnetic wands will be used each night during the summer to remove metal particles, dust, oil and grease.
Detective Superintendent Fiona McCormack said the Hotpoint FF175BP model had not been subject to any product recall.
Security for this year's event on July 8 has been reviewed following a spate of terror attacks in the capital.