Police officers stand outside Woodhull Hospital as the bodies of two Police officers who were shot in Brooklyn are removed from the hospital in New York, New York, USA, 20 December 2014. Two New York police officers were killed when they were shot in their patrol car on 20 December 2014, officials said. The perpetrator fired his gun several times through the car window, Police Commissioner William Bratton said. The assailant then fled into a nearby subway station in Brooklyn, where he was pursued by other police officers and died of a self-inflicted gunshot wound to the head. The officers, Wenjian Liu and Rafael Ramos, died in hospital. New York Mayor Bill de Blasio said the two men were shot 'execution style.' EPA/JOHN TAGGART
People stand next to a memorial for Eric Garner in Staten Island, New York, New York, USA, 04 December 2014. A new wave of anger erupted late on 03 December after a grand jury spared white New York police officer, Daniel Pantaleo, criminal charges in the chokehold death of unarmed African American, Eric Garner. The decision came less than two weeks after violence erupted in Ferguson, Missouri, after a grand jury did not indict a white police officer for shooting and killing unarmed black teenager Michael Brown in August. In Washington, US Attorney General Eric Holder called for peaceful protest and launched a federal probe into the case. EPA/JOHN TAGGART
Police officer arrest a protester as hundreds of demonstrators block off the entrance to the Holland Tunnel in New York, New York, USA, 04 December 2014. A grand jury has decided not to indict a New York City police officer, months after unarmed African American Eric Garner died in July when New York City Police officer Pantaleo put him in a chokehold to restrain him. The decision comes less than two weeks after a grand jury did not indict a white police officer for the shooting and killing of unarmed black teenager Michael Brown in Ferguson, Missouri, in August. EPA/JOHN TAGGART
Hundreds of protestors block off the entrance to the Lincoln Tunnel in New York, New York, USA, 04 December 2014. A grand jury has decided not to indict a New York City police officer, months after unarmed African American Eric Garner died in July when New York City Police officer Pantaleo put him in a chokehold to restrain him. The decision comes less than two weeks after a grand jury did not indict a white police officer for the shooting and killing of unarmed black teenager Michael Brown in Ferguson, Missouri, in August. EPA/JOHN TAGGART
A protestor lies down on the street's pavement as they block the traffic on 42nd Street in Times Square during a protest against the decision of a grand jury not to indict a police officer involved in the death of Eric Garner, in New York, New York, USA, 05 December 2014. A grand jury has decided not to indict a New York City police officer, months after unarmed African American Eric Garner died in July when New York City Police officer Pantaleo put him in a chokehold to restrain him. The decision comes less than two weeks after a grand jury did not indict a white police officer for the shooting and killing of unarmed black teenager Michael Brown in Ferguson, Missouri, in August. EPA/JOHN TAGGART