Protesters mass after another police shooting of black man in U.S

Protesters in Chicago, New York and St. Paul, Minnesota, took to the streets on Thursday to express outrage after the second fatal police shooting of a black man in the United States in two days.

The protests were peaceful but tension was evident after the shooting of Philando Castile, 32, by police near St. Paul late on Wednesday. His girlfriend posted live video on the internet of the bloody scene minutes afterward, which was widely viewed.  Read more.