http://novaramedia.com/2016/08/uk-black-lives-matter-activists-shutdown-the-m4/
see also https://progressivegeographies.com/2016/08/05/deborah-cowen-and-nemoy-lewis-anti-blackness-and-urban-geopolitical-economy-reflections-on-ferguson-and-the-suburbanization-of-the-internal-colony/