Civil rights leaders have condemned the decision not to charge a white New York City police officer over the chokehold death of a black man and are planning a march and a summit on racial justice in Washington.

Protests have erupted across New York and in US cities from Georgia to California after a white police officer was cleared over the chokehold death of an unarmed black man.

Protests have broken out in New York City after a white police officer was cleared of blame over the chokehold death of an unarmed black man stopped on suspicion of selling untaxed cigarettes.