The New York Police Department has reported an explosion in the subway system in Manhattan.

According to a police spokesperson, the explosion occurred at the Port Authority terminal at 42nd Street and 8th Avenue.

The New York Post has reported that one suspect had been taken into custody following the explosion. According to the Post the suspect is believed to have attempted to detonate a suicide bomb.

The NYPD confirmed that the suspect, a 27-year old resident of Brooklyn, was a Bangladeshi national who was inspired by ISIS. The bomber wore wires attached to his body and carried a pipe bomb, which partially detonated prematurely.

The suspect and three other people were injured in the explosion.

New York Mayor Bill de Blasio called the explosion "an attempted terrorist attack."