Protests against the shootings of two black men by police officers shut down main arteries in a number of U.S. cities on Saturday, leading to numerous arrests, scuffles and confrontations between police and demonstrators.

US: Protests over shootings block roads in US cities, end in numerous arrests

Protests against the shootings of two black men by police officers shut down main arteries in a number of U.S. cities on Saturday, leading to numerous arrests, scuffles and confrontations between police and demonstrators.