5 dead and dozens injured after tour bus with about 50 people crashes in New York State, officials say

(CNN) — [Breaking news update, published at 6:50 p.m. ET]

Five people were killed after a tour bus rolled over and crashed into a ditch on the New York State Thruway on Friday afternoon, according to state police.

[Original story, published at 6:27 p.m. ET]

At least four people were killed after a tour bus with about 50 passengers heading back to New York City from Niagara Falls on Friday rolled over and crashed into a ditch, a state official briefed on the tragedy told CNN, and dozens more have been injured.

Rescue efforts are ongoing for the passengers who remain trapped as of Friday afternoon. Officials believe most of the passengers were not wearing a seat belt, as multiple people were also ejected from the bus, which sustained heavy damage in the incident, said New York State Po