Because of a derailment at the East Falls Church Metro station portions of the Orange and Silver lines will remain closed for the rest of the day. WASHINGTON — Service on parts of the Orange and Silver Lines will remain suspended through at least Saturday, following an early-morning derailment near the East Falls Church station that damaged two train cars, sent one rider to the hospital and scrambled passengers’ Friday morning commutes. Service on the Silver Line between the McLean and Ballston stations and on the Orange Line between West Falls Church and Ballston will remain suspended through the end...