The US judge presiding over the trial of a former Minneapolis police officer charged with murdering George Floyd has denied a defence request to sequester the jury and said he expected closing arguments to begin next week.

Hennepin County Judge Peter Cahill was asked by Derek Chauvin's defence lawyer to isolate the jury following unrest in the city overnight over the shooting of a 20-year-old black man by police.

Eric Nelson, Mr Chauvin's attorney, said he was concerned that the protests in Minneapolis after the death of Daunte Wright could influence the jury.

"A verdict in this case is going to have consequences," Mr Nelson said.

"Will the jury be confident to make a decision regardless of the potential outcome of their decision?"

Prosecutors opposed the request, as did the judge.

"I'm not going to sequester them," Judge Cahill said.

"We'll sequester them on Monday when I anticipate doing closings."

Derek Chauvin is accused of murder and manslaughter for his role in George Floyd's death on 25 May 2020, which occurred during his arrest for allegedly passing a fake $20 note.

The 45-year-old former police officer, who is white, was seen in a video taken by a bystander kneeling on Mr Floyd's neck for more than nine minutes as the handcuffed 46-year-old black man complained repeatedly that he "can't breathe".

The video sparked protests against racial injustice and police brutality in the United States and around the world.

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