A rescue operation is underway following a collision involving a tour bus in Upstate New York on Friday, officials said. The crash occurred on Interstate 90 in Pembroke, near Buffalo, according to New York State Police. Images from the scene showed the bus on its side.

Both the east and westbound lanes on the I-90 between Exit 48A and 49 have been reopened, according to the New York State Thruway Authority.

A bus crash on the New York State Thruway resulted in five deaths and multiple injuries; the cause is under investigation by the NTSB. The driver has not been charged.