Tony Robinson , 19 , shot dead by a police officer at Ferguson apartment . A struggle had ensued in seconds before the shooting on Friday evening . Officer Matt Kenny did CPR on Tony , but he died from injuries in hospital . Killing prompted over 100 angry demonstrators to protest outside home . Comes just days after release of damning report into police in Wisconsin . Also came hours before Obama marked half-century of 'Bloody Sunday ' Investigation launched into killing ; Tony was suspected of recent battery .
Tony Robinson , 19 , shot dead by a police officer at Wisconsin apartment . A struggle had ensued in seconds before the shooting on Friday evening . Officer Matt Kenny did CPR on Tony , but he died from injuries in hospital . Killing prompted over 100 angry demonstrators to protest outside home . Comes just days after release of damning report into police in Ferguson . Also came hours before Obama marked half-century of 'Bloody Sunday ' Investigation launched into killing ; Tony was suspected of recent battery .