The joint chief executive of Thames Water has refused to apologise for allowing water companies to increase their debt during her time as chief of Ofwat, the water regulator. Subscribe to Guardian News on YouTube ► http://bit.ly/guardianwiressub Cathryn Ross's comments came during a parliamentary committee session with Thames Water bosses as concerns mount over the financial viability of the company. Thames Water has secured £750m of emergency funding from its shareholders but the debt-ridden company warned it would need further funding in the years ahead. The Guardian publishes independent journalism, made possible by supporters. Contribute to The Guardian today ► https://bit.ly/3uhA7zg Sign up to the Guardian's free new daily newsletter, First Edition ► http://theguardian.com/first-edition Website ► https://www.theguardian.com/ Facebook ►https://www.facebook.com/theguardian Twitter ► https://twitter.com/guardian Instagram ► https://instagram.com/guardian The Guardian on YouTube: The Guardian ► https://bit.ly/guardiannewssubs Guardian Australia ► https://bit.ly/guardianaussubs Guardian Football ► https://bit.ly/gdnfootballsubs Guardian Sport ► https://bit.ly/gdnsportsubs Guardian Live ► https://bit.ly/guardianlivesubs #Water #ThamesWater #Ofwat #WaterIndustry #UK #News