PHOTOS: See protests unfold across the country after release of Tyre Nichols video

Nikki Charles of the activist groups Harriet's Wildest Dreams and the D.C. Safety Squad block part of K Street in Washington D.C. to protest the police killing of Tyre Nichols.

Nikki Charles of the activist groups Harriet's Wildest Dreams and the D.C. Safety Squad block part of K Street in Washington D.C. to protest the police killing of Tyre Nichols. Photo by NPR - Tyrone Turner/WAMU For NPR

Authorities in Memphis, Tenn., released body camera footage from the police killing of Tyre Nichols on Friday. This has sparked protests and calls for national police reform across the U.S.

Nichols was pulled over on Jan. 7 for a traffic stop. After trying to flee on foot, Nichols was brutally beaten by police. He died in a hospital three days later. Five officers were fired and charged with murder.

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