Explosion Reported at Casa Grande Social Security Office
An explosion was reported this morning at about 8:30 a.m. at the Casa Grande Social Security Administration building.
According to an Associated Press report, the small explosion happened near the back entrance to the office building. No injuries were reported.
The Casa Grande Police Department directed all questions to the ATF, which has taken over the investigation along with the FBI.
A message left with an ATF press officer was not immediately returned.