London cabbies shut city down over Uber

A demonstrator holds a placard as parked taxis block a street in central London during a protest by London black cab drivers against a new private taxi service 'Uber', a mobile phone app, on June 11, 2014. Taxi drivers brought parts of London, Paris and other European cities to a standstill on June 11 as they protested against new private cab apps such as Uber which have shaken up the industry. Thousands of London's iconic black cabs, many of them beeping their horns, filled the roads around Buckingham Palace, Trafalgar Square and the Houses of Parliament to the exclusion of any other vehicles. AFP PHOTO / CARL COURTCARL COURT/AFP/Getty Images

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    London cabbies shut city down over Uber

Drivers of London's famous black cabs brought traffic to a standstill over the car service app Uber. Jim Boulden reports.