YOSEMITE NATIONAL PARK – A Marin County man is facing a domestic violence charge after he was accused of attacking his wife during a trip to Yosemite National Park earlier this month, federal prosecutors said.U.S. Attorney Phillip Talbert's office announced Thursday that a federal grand jury has charged 59-year-old Stefan Niels Wieste Kirkeby of San Rafael.Court documents said Kirkeby and his wife were visiting the park on August 4 when the pair got into what was described as a verbal confrontation.The victim told authorities that Kirkeby grabbed her by the wrist and the pair fell to the ground. During the altercation, Kirkeby also threatened to kill her and himself.Other park visitors intervened due to the yelling and the threats of harm, prosecutors said. The victim suffered bruises, pain to her wrist and scratches during the incident.According to jail records, Kirkeby is being held at the Fresno County Jail on a federal marshal hold. It was not immediately known when he would appear in court on the charge. If convicted, Kirkeby faces a maximum penalty of up to five years in prison and a $250,000 fine, prosecutors said.