Disruption on South West Trains between Hounslow and Waterloo, between Weybridge and Waterloo and between Windsor and Eton Riverside and Waterloo due to signalling problem at Barnes.
Tickets being accepted on London Underground and London Bus services. Waterloo - Twickenham services via Brentford are cancelled. Journey times may be extended by up to 50 minutes until the end of service today.
More top news
Tuesday's weather for the east with Philippa
Tuesday's weather for the west with Philippa
Thousands of bikers head to Hastings for a biking festival that organisers say now rivals the Isle of Man's TT races