CountyClean, in charge of the repair operation where the world's largest 'fatberg' was found, has taken a survey of the damage with a remote CCTV camera.
This footage is thought to show the beginning of the fatberg under the streets of London.
More top news
London's Rio Ferdinand has announced his retirement as a professional footballer.
Two thousand women, and one very excited Barbara Windsor, put on their trainers today in a bid to raise money to fight cancer.
Two men have been jailed after a semi-automatic submachine gun was found hidden in a shoe box in a kitchen.