Hometown and racial pride fired up royal wedding watchers across the United States on Saturday, from pre-dawn partiers wearing pajamas and fancy hats in Los Angeles to Twitter posts from Miami to Indianapolis hailing "the blackest royal wedding the UK has ever seen."

US officials release the dashboard camera video showing a white police officer shooting a black teenager 16 times in Chicago last year.

Civil rights campaigners in US start a 40-day march to highlight what they say is a fresh attack on equal rights for African Americans.