Uber app
Media playback is unsupported on your device
Video

Taxi drivers stage app protest

London's black-cab drivers hold a protest against a mobile app they claim breaks the law by acting as a meter.

London's black-cab drivers have been holding a protest against a rival mobile app they claim breaks the law by acting as a meter, which only black cabs are legally entitled to use in the capital.

The BBC's Rory Cellan-Jones reports on the latest in a series of protests across Europe, as traditional cab services express anger over what they regard as a lack of regulation of Uber.