Demonstrators march down K Street NW as large protests over the death of George Floyd were expected on Saturday across the nation. MUST CREDIT: Washington Post photo by Matt McClain

A black power hair comb is worn by a demonstrator outside of the White House in Washington, D.C., on Saturday. MUST CREDIT: Photo by Evelyn Hockstein for The Washington Post

Thousands of protesters gathered in Brooklyn for a march across Brooklyn Bridge to New York City Hall on Saturday. MUST CREDIT: Photo by Holly Pickett for The Washington Post

Demonstrators march near the Governor’s Residence on Saturday in St. Paul, Minn., to protest in the wake of George Floyd’s death. MUST CREDIT: Washington Post photo by Salwan Georges