The UK's biggest water company has admitted it paid no corporation tax for the last three years.
Thames Water, who saw revenues of nearly £2 billion and above inflation price rises, said they were not performing a "tax dodge" but were following the government's rules.
ITV News Business Editor Laura Kuenssberg, has been hearing how they do it.
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A rollercoaster has come off the rails at a theme park in Scotland, leaving nine children and two adults in hospital.
"I saw a lot of smoke come out from the tail-end of the aircraft. I wondered if it was normal, whether it was just exhaust fumes."
The House of Commons Petitions Committee has said they will keep an eye on the petition and are concerned about fraudulent signatures.