ST. LOUIS (AP) — Noisy demonstrators disrupted shopping at upscale suburban St. Louis shopping malls and marched through a popular district of bars and restaurants Saturday in peaceful protests over the acquittal of a white St. Louis police officer who fatally shot a black man, and there was little sign of the sporadic vandalism and violence that marred the rallies a night earlier.

A few hundred people shouted slogans such as "black lives matter" and "it is our duty to fight for our freedom" as they marched through West County Center mall in the city of Des Peres, west of St. Louis, to decry t...