Delays of up to 20 minutes on First Capital Connect between Haywards Heath and East Croydon due to signalling problem at Three Bridges. There is no current estimate for when a normal service will resume. Southern services through the area were already affected.
More top news
Hundreds of thousands of over-65s in the UK are worried about being alone this Christmas.
Monday's weather in the east with Philippa
Monday's weather in the west with Philippa