Biggest ever "fatberg"

Sewer workers say they think they've discovered the biggest ever lump of food fat under the streets of Kingston in Surrey.

The "fatberg", as its been called, weighs 15 tonnes and is as big as a double-decker bus.

It was found after residents complained that they couldn't flush their toilets.

Martin Stew drew the short straw, and went to have a look.

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Repair work after 'fatberg'

Thames Water say a lump of fat the size of a double-decker bus has been discovered and removed from a London sewer. The 'fatberg' of food fat mixed with wet wipes formed in drains under London Road in Kingston.