No service between Harrow-on-the-Hill and Uxbridge due to a trespasser on the track. Tickets are being accepted on local buses and Chiltern Railways. GOOD SERVICE on the rest of the line.

No service between South Harrow and Uxbridge due to a trespasser on the track. SEVERE DELAYS between Acton Town and South Harrow / Heathrow Airport due to an absence of train operators.