Piccadilly Line: No service between South Harrow and Rayners Lane while we fix a points failure at Rayners Lane. NO SERVICE between Rayners Lane and Uxbridge due a shortage of Piccadilly line trains while we fix damage caused by leaf fall. For stations between Acton Town and South Harrow, change at Acton Town. SEVERE DELAYS between King's Cross and South Harrow / Heathrow Terminal 4 due to a shortage of trains. Tickets are being accepted on London Buses and Elizabeth Line. GOOD SERVICE on the rest of the line.