New York State Police Troop T Major Andre Ray confirmed the deaths during a press conference near the crash site Friday evening. According to a news release from state police, 52 people, including the driver, were on board the bus at the time of the incident. Here's what we know so far.

The New York State Thruway Authority reported traffic backed up in the area. WIVB-TV in Buffalo reported several Mercy Flight helicopters were requested, and some uninjured passengers were taken to the Indian Falls Fire Station.

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.