Emergency responders on the scene of incident involving helicopter in Bayonne, N.J.

Emergency responders are at the scene of an incident involving a helicopter in Bayonne, New Jersey Tuesday morning. 

It happened at around 9 a.m. at the Port Liberty Container Terminal. 

Video from the scene shows a helicopter in a roadway with a portion of its tail broken off on the ground nearby. 

According to air traffic control audio, the helicopter declared a mayday, and the pilot said the helicopter had an engine out. There were two people on board, the pilot said. The helicopter then landed at Bayonne piers. 

CBS News New York has reached out to the Federal Aviation Administration and other officials for more information. 

This is a developing story. Check back soon for more information.