Demonstrators and police clashed this weekend as anguish and rage swept through cities across the U.S. in response to the death of George Floyd. Protesters were tear-gassed, police cars destroyed, buildings vandalized and businesses looted in some of the nation's worst civil unrest in years.

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Police officers stand in a line amid protesters in Raleigh, N.C.

Here's a look at some of the cities.

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George Floyd's niece Gabrielle Thompson (center) cries as she hugs another woman during a Justice for George Floyd event in Houston on Saturday.

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Protesters sit at an intersection during a protest over the deaths of George Floyd and Breonna Taylor in Louisville, Ky. Taylor, a black woman, was fatally shot by Louisville police in her home in March.

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A couple wears masks that read "I Can't Breathe" during a demonstration in Minneapolis on Saturday.

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Portraits of George Floyd have become a fresh symbol of police brutality against black people, and a sign reading, "Racism kills, here, there and all over the world," hung on the fence of the U.S. Embassy in Mexico City on Saturday.

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A woman is pepper-sprayed by law enforcement in Minneapolis during a demonstration against the death of George Floyd.

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Demonstrators are detained by police during a protest in Atlanta. The protest started peacefully earlier in the day before demonstrators and police clashed.

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A man walks past a vandalized business during the Justice for George Floyd protest in Philadelphia on Saturday night.

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