Due to a gas leak at Harrow and Wealdstone, trains between Rugby and London Euston are being delayed and cancelled.

All lines are blocked, with trains either cancelled or delayed by up to 60 minutes.

Major disruption is expected until 14:30 as the electrified wires have had to be turned off whilst the emergency services deal with the gas leak.

Avanti West Coast, London Northwestern Railwayand Southern services are disrupted by the incident.

Ticket acceptance is in place for the following:

• Avanti West Coast
  Chiltern Railways between Birmingham Moor Street and London Marylebone
  CrossCountry via any reasonable route
  East Midlands Railway between Sheffield and London St Pancras International
  Great Western Railway between Reading and London Paddington
  LNER via any reasonable route
  London Northwestern Railway via any reasonable route
  TransPennine Express between Manchester Piccadilly and Leeds and between Leeds and Doncaster
• London Northwestern Railway
  Arriva Buses route 150, 500 and F70/F77
  Avanti West Coast between Crewe and Rugby and Rugby and London Euston
  Chiltern Railways between Birmingham Moor Street and London Marylebone
• East Midlands Railway between Crewe and Derby and between Derby and London St Pancras International
  Thameslink between Bedford and London St Pancras International
• Southern
  Trains which would run between Watford Junction and Clapham Junction will instead run between Shepherd’s Bush and Clapham Junction.
  If you are travelling between Watford Junction and Shepherd’s Bush, you will need to use an alternative route to reach your destination.