UPDATE, 17:15: An article over on Sina (link in Chinese) is pointing to policing problems and a lack of adequate security as the cause of Midi's demise (a claim seconded by theBeijinger) whilst also quoting festival organiser Zhang Fan as saying that "a postponement is possible, but only possible, there has not been a definitive decision yet". Meanwhile, CityWeekend also quote Zhang: "I'd rather not say right now. There will be an announcement tomorrow". That,......