http://www.amren.com/news/2012/11/is-this-the-most-brutal-thug-in-britain-sickening-cctv-shows-the-moment-girl-16-is-punched-so-hard-from-behind-by-total-stranger-she-is-knocked-out-cold/
This is the shocking moment a 16-year-old girl was beaten unconscious and fell headfirst onto the pavement after a thug ran up from behind and knocked her out cold.