A gunman in New York City has shot dead two police officers in Brooklyn inside a patrol car before he killed himself.
The New York police head said that the cops had been "targeted for their uniform", reported BBC.
The gunmen, after killing the police officers, ran to the nearby subway where he shot himself dead.
The commissioner of the New York police department Bill Bratton said that the officers had been shot with "no warning, no provocation" and that they were simply assassinated.
The mayor of New York, Bill de Blasio asked people to report the authorities if they saw any threat to the police anywhere.
He also said that the entire city was mourning his death after he was killed.
US Attorney General Eric Holder called the shootings an "unspeakable act of barbarism".
