US Representative Bob Filner has been charged with misdemeanor assault and battery for allegedly pushing an airline employee at Dulles International Airport on August 19 during a dispute over baggage, authorities said.

Filner, who represents the San Diego area, "attempted to enter an area authorized for airline employees only" while in the United Airlines baggage claim office and "pushed aside the employee's outstretched arm and refused to leave the area when asked by an airline employee," according to a Metropolitan Washington Airports Authority police statement.

Filner had exited the office and was waiting near the baggage carousel when police arrived about 6pm. He was released after he and witnesses were interviewed, airport police said.

The female airline employee, whom police did not identify, appeared before a Loudoun County magistrate that evening, and Filner was charged with assault and battery. If convicted, he could face 12 months in jail and a US$2,500 fine.