Inside the battle for London’s parks as residents take on summer music festivals

Beyond long days of unwelcome techno beats, Gunnersbury residents complain about the side effects of the events: thousands of people crowding through their local stations, drug dealers loitering on their street corners to service the crowds arriving at the event, private gardens used as public toilets, late-night noise as crowds make their way home, and streets strewn with litter including thousands of discarded nitrous oxide canisters.