Read / Add Comments A man was being held on an aggravated arson charge in connection with a fire at a Hudson County synagogue earlier this month, authorities said. Oswaldo Domingo Xil-Argueta, 29, is accused of torching Mesivta Sanz Yeshiva and its synagogue on 34th Street in Union City around 3 a.m. on July 3, Hudson County Prosecutor Esther Suarez said. There were no occupants in the building at the time of the two-alarm blaze. The Union City Police Department and the Hudson County Regional Arson Task Force arrested Xil-Argueta on July 5, on charges of first-degree aggravated arson and criminal mischief, Suarez said.