Bomb Goes Off at AZ Social Security Office

No injuries are reported

An explosive device was detonated Friday at the back door of a local Social Security Administration building.

A door in the rear and portions of the building were charred and black from the explosion, which occurred at 8 a.m., although the amount of damage has not been released.

Casa Grande police and fire departments arrived on the scene, and the building was evacuated. No injuries were reported.