It's the eighth night in a row of protests in cities across the United States. Thousands of people have defied curfews to call for justice following the death of George Floyd, who died last week after he was pinned to the ground by a Minneapolis police officer with his knee on Mr Floyd's neck.
Historian Dr Jennifer Frost teaches about the US civil rights movement at the University of Auckland, and she speaks with Karyn about the history of police brutality and white violence in the United States.