The Public Accounts committee session on the regulation of water, energy and broadband, with evidence from Martin Lewis of MoneySavingExpert, Anne Pardoe of Citizens Advice, Ali Bell from the Consumer Council for Water, Dame Melanie Dawes, chief executive of Ofcom, Tim Jarvis, interim chief executive of Ofgem and Chris Walkers, interim chief executive of Ofwat, on Monday 29 June.