WICHITA — A Lyons man has been charged with the armed robbery of a bank in Arlington, U.S. Attorney Barry Grissom announced Wednesday. Jacob W. Schrock, 27, was charged with one count of bank armed robbery, one count of attempted bank burglary, one count of brandishing a sawed off shotgun during a bank robbery and one count of unlawful possession of a sawed off shotgun. Schrock initially was charged in a criminal complaint filed Sept. 14 in U.S. District Court in Wichita.