A tour bus returning to New York City from Niagara Falls with 54 people aboard crashed and rolled on its side Friday on an interstate highway, killing five passengers and injuring many others, authorities said.

A tour bus overturned on I-90 in Pembroke, NY, leaving up to 52 injured, some trapped or ejected, with emergency crews responding and traffic severely delayed

BREAKING UPDATED A Pembroke New York bus crash has left over 52 injured after a tour bus overturned on the New York State Thruway at Mile Marker 403.9 Photo Some passengers are trapped under the bus while others were ejected, prompting a massive emergency response

A mass casualty incident occurred on Friday morning when a tour bus overturned on Interstate 90 West in Pembroke, New York, leaving at least 52 individuals injured. Emergency responders arrived promptly at the scene to assist the victims.

Right now there is a really bad accident that is happening on the New York State Thruway close to the Pembroke exit. In Pembroke New York there are 52 people that have been injured in a tourist bus rollover accident where 52 have been injured and either have been ejected or trapped inside of the bus.