Tomorrow morning this image could easily be of Cleveland, or Detroit, or Buffalo, or numerous other cities across the USA.
Dis-affected young people (and dis-affected older people) are not seeing any practical, legitamate means of productive cooperation with the status quo.
Flash mobs are perhaps a harbinger here in the USA, with Philadelphia being one of the latest cities to impose "flash mob" inspired curfews as reported on BBC (Image from BBC) [1]. The Associated Press has a thorough article by Paisley Dodds [2] describing social media influences in London's crowd sourcing.
Will the US, like England, react too little, too late? I am refering to societal balance improvements, not curfews - which will only aggravate disparities.