Piccadilly Line: Minor delays between Acton Town and Uxbridge / Heathrow Airport and MINOR DELAYS between Arnos Grove and Cockfosters while we fix a fault with the track at Cockfosters. GOOD SERVICE on the rest of the line.
Metropolitan Line: No service between Aldgate and Baker Street due to a signal failure at Harrow-on-the-Hill and NO SERVICE, Northbound only between Baker Street and Chesham / Amersham / Watford and Uxbridge. Tickets are valid on London Buses, Chiltern Railways and Lioness Line. SEVERE DELAYS on the rest of the line.