RIVERDALE, Md. — A school bus overturned on the northbound lanes of the Baltimore-Washington Parkway.
The incident happened near Riverdale Road Wednesday afternoon.
No students were on the bus at the time and the driver was not injured.
The bus driver told police a mechanical issue caused him to lose control of the bus, hit the guard rail and overturn.
No further details have been released at this time.
Stay with WUSA9.com for more on this developing story.