By Sky News US Team
Demonstrators are on the march again in US cities to protest against police treatment of black Americans.
People have so far taken to the streets on Friday in New York City, Washington DC, Chicago and Boston.
More than 200 arrests were made in New York a day earlier when protesters of all ages and backgrounds turned out in cities from coast to coast.
The rallies have been sparked by a grand jury decision not to indict a white policeman in the chokehold death of a black man, Eric Garner.
The case is stoking a national debate about policing, racial profiling and criminal justice.
A New York City prosecutor said on Friday he would convene a grand jury to consider charges against a rookie cop who fatally shot a black man, Akai Gurley, on a housing project stairwell.
Activists, meanwhile, finished a 120-mile march from Ferguson, Missouri, to the state governor's mansion on Friday, in a protest over a white policeman who was cleared of killing a black teenager.
There have also been protests in Phoenix, Arizona, after a white police officer shot dead an unarmed black drug suspect during a scuffle.
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Gallery: Chokehold Protesters On March Across US
An NYPD policeman stands next to protesters on a second night of nationwide demonstrations over the death of a black man and the clearing of a white cop who restrained him in an alleged chokehold
A demonstrator restrains another as protesters clash with police in Times Square