Several dozen demonstrators marched through Downtown Dallas streets for the second night in a row Friday.
The group was protesting a grand jury's decision not to indict a New York City police officer in the death of Eric Garner and a Missouri grand jury's decision not to indict Ferguson police officer Darren Wilson in the death of Michael Brown.
The protesters met in Belo Garden Park outside the federal courthouse and departed north along Field Street at about 9:15 p.m. They briefly stopped in front of the American Airlines Center to stage a "die-in," during which they lied on the ground before continuing on their route.
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Dallas police provided a rolling roadblock for the protesters to keep vehicle traffic away from the people walking in the streets.
Six people were arrested for obstruction of a highway or passageway.
On Thursday, Dallas police briefly closed northbound Interstate 35E near the American Airlines Center when several protesters attempted to walk up an off-ramp.
Officers formed a line to stop the protesters from jumping onto the interstate, and four women and a man were arrested for allegedly trying to break through their barricade.