A copy of an Adolf Hitler speech has been found at the home of a 23-year-old white suspect accused of killing two black men and firing on a family, in a string of attacks that police say may have been racially motivated.

Large groups of brawling teenagers sparked a stampede at a Louisiana mall that led police to evacuate the shopping centre and shut it down early.

Washington sniper John Muhammad will be sentenced in Maryland today, after being convicted of another six killings.