A statement from concert organizer Live Nation said it was unfortunate that Springsteen's three-hour-plus performance was stopped "right at the very end," but it said that the curfew had been laid down by the authorities "in the interest of the public's health and safety." Huge concerts in Hyde Park, a 350-acre (140-hectare) expanse of landscaped garden and parkland that abuts some of London's wealthiest neighborhoods, have increasingly caused friction between fans and the area's well-heeled residents, many of whom gripe about the late-night noise and nuisance.