Violent phone snatchers caught by armed police after high-speed chase across London. Two reckless thieves tried to evade police after stealing phones in central London. Body Worn Video footage shows our armed response officers in pursuit as the men rode electric surron motorbikes dangerously through heavy traffic - putting the public and officers at risk – before one of them collided with a vehicle and was arrested. Supported by the police helicopter, the second suspect was arrested after collid