Explosion at Arizona Social Security office forces evacuation

Police investigate an explosion at the Social Security Administration office in downtown Casa Grande, Ariz.
(Steven King / Associated Press)

The Social Security Administration building in Casa Grande, Ariz., was evacuated Friday morning after an explosion, authorities said.

A small, simple device exploded and charred the outside of the building’s side doors about 8:25 a.m., said Case Grande Fire Marshal Barbara Rice. A car near the entrance appeared to be damaged.

“It wasn’t a pipe bomb or anything of that nature,” she said.

There was smoke damage inside the building and briefly a fire, but no one was injured, Rice said.


The FBI and Bureau of Alcohol, Tobacco, Firearms and Explosives is investigating.

Authorities said they had identified a person of interest related to the bombing and could make an arrest later Friday.



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