LONDON, ENGLAND - AUGUST 27:  A small protest is held outside the US Embassy in a show of solidarity with Ferguson protesters in the USA, on August 27, 2014 in London, England.  Michael Brown, an 18 year-old unarmed teenager, was shot and killed by Ferguson Police Officer Darren Wilson in the nearby town of Ferguson, Missouri on August 9. His death caused several days of violent protests along with rioting and looting in Ferguson  (Photo by Dan Kitwood/Getty Images)