A suspicious device left near school buses in Anderson Thursday brought out the bomb squad Thursday afternoon.
Mill Street was closed between Silver Street and Franklin Street as the bomb squad investigated the discovery in the bus yard for Cascade Union Elementary School District.
Investigators determined two M-80s, which are large firecrackers, had been left under a bus. The devices did not explode.
Police searched the area to determine if there were any other devices.
They are now trying to determine who placed the M-80s under the vehicle.