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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The impact of the 4mph crash pushed the buffers back by over a metre.
The 18-month-old puppy lives with owners Chris & Gillian French and their 10-year-old daughter Mia at the Mitre pub in Richmond-upon-Thames.
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