There's a health warning over London's only heliport, a service which boasts luxury flights over the capital for VIPs and businesses. But an in-depth report says the facility in Battersea poses a major risk to the thousands of residents living nearby. Noise levels were found to be as loud as a busy motorway and with 80 journeys taken every day, there's huge concern over the potential danger. Bhavani Vadde explains.
