According to Sewell, one of the policemen shot the attacker in the shoulder and the man was arrested, Sputnik news agency reported.
The agents are in stable condition.indicated the American chain CNN.
One of the officers, a recent graduate of the academy, suffered a fractured skull and severe head trauma, Sewell said. Another officer suffered a stab wound, the purser added, without elaborating on the third officer’s wounds.
Sewell said the attack occurred shortly after 10pm on Saturday and noted the suspect is being treated for his injuries.
The The FBI, the NYPD and the Joint Terrorism Task Force are investigatingofficials said at a joint news conference on New Year’s Day.
“I want to be very clear… there is no threat going on,” he said. Mike Driscoll, deputy director of the FBI office manager New York.
“We believe it was a single individual at this time,” he said, adding that the FBI is working closely with the NYPD determine the nature of the attack.
Authorities have not elaborated on a possible motive and said the investigation was in the preliminary stages.
The mayor of New York, Eric Adamspraised the response of the Policeman and said responding officers immediately secured the scene and acted “with the level of professionalism we have come to expect from all of our officers.”