Dozens of people were arrested Sunday night in Dallas after the city's 7 p.m. curfew went into effect, police say.
A total of 76 people had been arrested by Sunday night, the Dallas Police Department said in a tweet, with an additional 45 to 60 people in custody awaiting charges.
The arrests came after hundreds marched peacefully through downtown early Sunday, most of them leaving the area before the curfew.
Helicopter footage captured police arresting some people still in downtown just minutes after 7 p.m., while in other areas officers deployed tear gas.
Police said as of 11 p.m., there had been 76 arrests, but no injuries or vandalism were reported.
Hundreds gathered at Freedman's Memorial Cemetery in Uptown Dallas earlier Sunday for a vigil to recognize African American people who have been killed by police in the United States.
The cemetery at the intersection of U.S. Highway 75 and Lemmon Avenue is a historic burial site for emancipated slaves.
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A smaller group gathered at the Dallas County Jail on Sunday to demand the release of those arrested while protesting the death of George Floyd in Minneapolis police custody.
Earlier Sunday, Dallas police Chief U. Renee Hall announced parts of the city would be under curfew from 7 p.m. Sunday to 6 a.m. Monday, something that would last for "several days."
The curfew follows two days of protests in downtown Dallas that turned destructive after nightfall.