Police are investigating a fatal GO bus rollover on Highway 407 near Weston Road.

The single-vehicle crash happened late Wednesday night on the eastbound lanes.

Metrolinx spokesperson Anne Marie Aikins says it’s unclear how many people were on the bus, but says police told her there has been a fatality.

OPP Sgt. Kerry Schmidt says there were also multiple injuries.

Vaughan Fire have sent four trucks to the scene.

Hwy. 407 eastbound at Weston Road was closed Wednesday night as police investigated the crash.