A lawyer for Ms Shelby said the officer was "elated" that the jury found her not guilty.

Demonstrators have staged a peaceful protest in North Carolina hours after the family of a black man shot by US police released video footage showing the events leading up to his death.

Charlotte's police chief has said he plans to show video of an officer shooting a black man to the slain man's family, but the video will not be immediately released to the public.

Police have used tear gas to disperse protesters after officers were injured and a major road was shut down during a demonstration over the latest fatal shooting of a black man by US police.