Delays of up to 40 minutes on Gatwick Express between Victoria and Gatwick Airport due to broken down train at Clapham Junction and safety checks at Wandsworth Common.
There is no estimate for when a normal service will resume. Also affecting Southern.
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Monday afternoon's forecast for the west of the region
Monday afternoon's forecast for the east of the region
Business leaders in Sussex are protesting over the continuing dispute on Southern Rail, warning it's threatening the region's economy.