President Joe Biden is urging protests in Tennessee to remain peaceful as officials plan to release video of an arrest that led to a motorist’s death.
Bodycam video of the encounter with Tyre Nichols, 29, will be published on Friday and lawyers for his family said it will show him being severely beaten.
Five now-fired police officers face murder charges after Mr Nichols died days after a traffic stop 7 January.
Memphis is said to be on edge and police there have increased patrols.
“I’m sickened by what I saw,” Tennessee Bureau of Investigation director David Rausch said on Thursday after reviewing the footage, describing the officers’ actions as “absolutely appalling”.
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