CCTV investigations in London Road, Kingston found a mound of fat the size of a bus had reduced the 70 x 48cm sewer to just 5% of its normal capacity.
Thames Water has begun repairs to 20 metres of the damaged pipe and work is expected to take up to six weeks to complete.
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West Ham have opened an investigation into a flyer that was allegedly distributed ahead of the game with Chelsea.
Damon Joseph Smith smiled and waved at his mother, who waved back.
Tanguy Marie De Carne, 53, jumped red traffic lights and rode on busy pavements through the City pursued by police