"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.

PEMBROKE, N.Y. (AP) — A tour bus returning to New York City from Niagara Falls with 51 passengers crashed and rolled Friday on an interstate highway, killing and injuring multiple people, police said. The bus apparently lost control on I-90 near Pembroke, about 25 miles east of Buffalo. People inside were ejected as the windows shattered.