WPXI

The FBI in Pittsburgh is looking for the driver of a car that allegedly rammed into its city field office on Wednesday, in what officials have described as an "act of terror."

FBI Pittsburgh Assistant Special Agent in Charge Christopher Giordano said in a Wednesday news conference that the bureau was searching for Donald Henson from Penn Hills, a township east of Pittsburgh. The FBI is appealing for information on his whereabouts.

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Henson allegedly crashed into the gate, then grabbed an American flag from the vehicle and threw it over the fence before fleeing the scene, Giordano said. There were no injuries.

"We’re hoping by putting his photograph and his name out there, that we will start getting

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