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.
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The force has been tweeting after carrying out a series of dawn raids.
Adenike Akingbogun made the dangerous manoeuvre after ignoring the crossing lights and driving onto the tracks.
Police arrived at the 73-year-old's home after Alfie chased a delivery man.