The concourse at Waterloo was packed with frustrated commuters this evening, as services were affected by the hot weather.
South West Trains put speed restrictions in place between Clapham Junction and Waterloo - because the tracks were struggling to cope with surface temperatures approaching 50 degrees Celsius.
Trains were limited to 20 miles an hour, with many services delayed, cancelled or altered.
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Fallen trees, damaged power lines and emergency speed limits were today causing chaos for rail passengers.
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