There is disruption on First Capital Connect between Bedford and Brighton, between Luton and Sutton and between Kentish Town and Sevenoaks due to overhead line problems at Radlett. Tickets being accepted on Southern, London Midland, London Underground and local bus services.
Two lines remain closed to First Capital Connect Thameslink, so a revised service is running, with delays of up to an hour and cancellations. Disruption is expected all day today. Also affecting Southeastern and East Midlands Trains.
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Direct rail services between Southampton and Brighton will be disrupted until the end of this week.
Wednesday morning's weather for the west of the region
Wednesday morning's weather for the east of the region