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.

After spending the morning taking in the breathtaking sights at Niagara Falls, a group of tourists boarded a bus to return to New York City, not knowing about an hour later, their bus would be lying on its side in the ditch off the New York State Thruway.

M&Y Tours is a Staten Island-based tour company which chartered the bus that crashed on I-90 between Buffalo and Rochester on Aug. 22.