Sewer with fat deposits
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Water company releases bacteria to remove fat from sewers

So much fat and cooking oil has been poured down the nation's sinks that many sewers are close to complete blockage.

One water company has decided to unleash special bacteria to feast on the grease.

Matt Thompson from Yorkshire Water says the "fat-busting bugs" are completely harmless.

  • 28 Dec 2011
  • From the section UK