Emergency crews are treating dozens of patients after a tour bus crashed and rolled over on the highway Friday afternoon in Genesee County, New York.The Town of Pembroke told Fox News Digital firefighters reported up to 52 patients at mile marker 4039.Officials said some passengers were ejected from the vehicle and others were trapped.HEART-STOPPING VIDEO SHOWS HELICOPTER FLIP AND CRASH NEAR MICHIGAN WATERFRONT RESTAURANTFour Mercy Flight helicopters have been called to the scene, according to town officials.It is unclear if there were any fatalities.New York Gov. Kathy Hochul said she had been briefed."My team is coordinating closely with [New York State Police] and local officials who are working to rescue and provide assistance to everyone involved," Hochul wrote in an X post.NEW YORK POLICE OFFICER AND GOOD SAMARITANS SAVE 68-YEAR-OLD WOMAN FROM VEHICLE ENGULFED IN FLAMESThe cause of the crash has not yet been released.New York State Police confirmed all lanes are closed.New York State Thruway Authority officials said to avoid the area.The Genesee County Sheriff's Office declined inquiries from Fox News Digital.The Genesee County manager and Genesee County fire department could not immediately be reached.This is a developing story and will be updated.