In what the FBI has described as "an act of terror," against the Federal Bureau of Investigation (FBI), a man rammed his vehicle into the entrance of the FBI Pittsburgh office on Wednesday morning.

The accused has been identified as Donald Henson, of Penn Hills in Pennsylvania.

According to media reports, the accused drove his vehicle at high speed towards the entrance gate of the FBI office. The driver then got out of the car, threw an American flag over the fence and shouted something.

Henson, according to media reports, has a history of mental illness. He is reportedly a former military man.

He had recently visited the FBI Pittsburgh office to file a complaint, which did not make much sense, said FBI special agent in charge of the investigation, Christopher Giordano. The FBI had informed him that there was no federal crime they were able to charge.

“This was a targeted attack on this building. Thankfully, no one was hurt, but we are going to exhaust every ability we have under the federal law to find, apprehend and prosecute this subject to the fullest extent,” Giordano said, calling the incident an act of terror against the FBI.

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