A teenager has been killed after shots were fired on a crowd of people protesting the death of unarmed black man George Floyd, as protests across the US escalated last night.
The man, 19, was shot dead in Detroit by an unknown suspect in a car, as tens of thousands of people again took to the streets in a number of cities to protest against Mr Floyd's death at the hands of the police in Minneapolis, Minnesota.
The US army has asked now military police units from New York and North Carolina to be on standby to intervene in the protests.
In developments overnight:
- Minneapolis, Detroit, Washington DC, New York and Atlanta have seen the most unrest. Confrontations between protesters and police have sometimes become violent.
- In Minneapolis, thousands of people formed a circle around a police station on Friday night, flouting the city's 8pm curfew.
- Washington DC saw protesters gather outside the White House, with the US Secret Service locking the building down for an hour, NBC News reported.
- In Atlanta, protesters reportedly lined up outside the CNN headquarters, telling the police there to "quit your jobs".
- Meanwhile in New York protesters clashed with the police in Brooklyn, with officers reportedly throwing an eye-irritating chemical into the crowd in response to water bottles being thrown at them
George Floyd Protests - In pictures
This was the fourth consecutive day of protests after the death of Mr Floyd, 46, in Minneapolis on Monday.
As looting broke out and a police was set on fire in the city, police let off rubber bullets, tear gas and concussion grenades, some of which members of the crowd threw back.
A man was shot dead in the Minneapolis protests. A spokesman said the police are investigating the theory that he was killed by a pawn shop owner who suspected him of looting his store, but said they were “in the infancy of this investigation”.
The roughly 2,000 protesters in Washington DC moved to Trump Tower after the area around the White House was closed by the Secret Service.
Protesters chanted "I can't breathe", "Black lives matter" and "No justice, no peace", NBC News reported.
Donald Trump had earlier lamented the death of Mr Floyd, but condemned the protests in harsh terms, and warned that "looting leads to shooting".
The president has since played down his remarks, saying: "I understand the hurt, I understand the pain."
Atlanta saw protesters scale the flagpole outside the CNN headquarters and raise a flag of the Black Lives Matter movement.
Others reportedly threw bottles at police officers, without causing any serious damage.
A vigil in New York was joined by the mother of Eric Garner, a man who was killed in a similar way to Mr Floyd in July 2014.
Speaking through a megaphone, she said: "I'm so glad that you all came out today to support this important cause. Enough is enough."
A police officer has been arrested in connection with Mr Floyd's death.
Mr Floyd died after Derek Chauvin kneeled on his neck for at least eight minutes during an arrest for allegedly using counterfeit money. Bystanders filmed the incident.
Mr Chauvin was fired from the police and has since been arrested and charged with third-degree murder.
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Mr Floyd's family said the arrest was a "welcome but overdue step" and added that the other officers involved in the arrest should also be detained.
They said in a statement: "For four officers to inflict this kind of unnecessary, lethal force - or watch it happen - despite outcry from witnesses who were recording the violence - demonstrates a breakdown in training and policy by the city."
"The pain that the black community feels over this murder and what it reflects about the treatment of black people in America is raw and is spilling out onto streets across America."