The deadly crash occurred on Interstate 90 on Friday in Pembroke, near Buffalo, according to New York State Police.

New York State Police said in a news release on Saturday that Shankar Kumar Jha, 65, of Madhubani, India; Pinki Changrani, 60, of East Brunswick, New Jersey; Columbia University student Xie Hongzhuo, 22, of Beijing, China; Zhang Xiaolan, 55, of Jersey City, New Jersey; and Jian Mingli, 56, of Jersey City, died in the crash.

"Avoid the NYS Thruway eastbound at all costs as a tour bus has rolled over near the Erie and Genesee County lines," Erie County executive Mark Poloncarz said on X. "This is a potential mass casualty incident," he said, adding that the county's emergency and security services are assisting.