A charter bus from Columbus, Ohio with children on board crashed Tuesday afternoon in Oxford County, sending one chaperone to hospital and forcing closure of the eastbound lanes of Highway 401 near Ayr.

Officials say there were 30 Grade 8 students and three chaperones on the bus. Some had minor injuries, but all were treated and released at the scene.

The single-vehicle crash happened on the highway at Oxford Road 29.

Police said the bus, operated by Campbell Bus Lines, was on its way to Toronto.

As a result of investigation police say they have charged the 71-year-old driver, Thomas Peters of Sharpsville, Pennsylvania with careless driving.

While responding and assisting at this collision scene OPP say they laid four additional charges against passerbys who were using handheld devices to photograph the scene while driving.

OPP, the Drumbo fire department and Oxford County EMS all responded to the crash. 

The eastbound lanes were closed for several hours.

The investigation is complete.