Engineering works to fix a broken piece of railway track which had buckled as a result of the recent hot weather have now concluded allowing normal service to resume at Waterloo, reports Network Rail.
South West Trains say they do not expect any further delays to their services but are advising customers to carry extra water for their journeys.
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The government is consulting on proposals to introduce an hourly fast train in parts of the south east - not stopping at some stations
Monday night's forecast for the west of the region
Monday night's forecast for the east of the region