No service between Stonebridge Park and Harrow & Wealdstone while emergency services deal with a casualty on the track. 
London Underground tickets are being accepted on Thameslink and Buses via any reasonable route.
GOOD SERVICE on the rest of the line.

No service between Watford Junction and Willesden Junction. SEVERE DELAYS between Willesden Junction and Euston while the emergency services deal with a casualty on the track.
Minor Delays between Stratford and Richmond / Clapham Junction due to an earlier points failure at Stratford.
Tickets are being accepted on London Underground via any reasonable route. GOOD SERVICE on all other routes.

Minor delays between Harrow on the Hill and Uxbridge and MINOR DELAYS between Moor Park and Amersham / Chesham / Watford due to train cancellations. GOOD SERVICE on the rest of the line.