Darnella Frazier, the teenager who captured the viral footage of Derek Chauvin pinning George Floyd to the ground said she spent sleepless nights apologising to the 46-year-old for not "saving his life" as she testified during the former officer's trial.

For more on this story, click here: https://www.telegraph.co.uk/news/2021/03/30/derek-chauvin-trial-george-floyd-killed-blood-choke-says-martial/

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