Metropolitan Line: No service between Baker Street and Aldgate and MINOR DELAYS between Harrow-on-the-Hill and Uxbridge due to a collapsed drain on the track at Baker Street. SEVERE DELAYS Harrow-on-the-Hill and Baker Street due to an earlier faulty train at Finchley Road. Tickets being accepted on London Buses and Chiltern railway services. GOOD SERVICE on the rest of the line.