RICHMOND, Va. (AP) - An accidentally severed fiber optic cable that shut down Virginia's online voter registration system for several hours Tuesday, the last day to register before the November general election, has prompted a lawsuit from a civil rights organization.Voting in Virginia 2020: Everything you need to know county by countyThe Virginia Department of Elections said in a statement on Twitter that a “fiber cut” affected connectivity for multiple agencies, including the department's citizen portal and registrar's offices.