The recently retired Comptroller and Auditor General has urged the Government to adopt a more cautious approach before involving the private sector in future public projects.

John Purcell said that given the downturn in the public finances and the need to borrow to fund projects, Public Private Partnerships should not be seen as a panacea to all our ills.

Mr Purcell was speaking on tonight's The Week in Politics programme.

Watch the programme on RTÉ One Television at 10.55pm or RTÉ.ie/Live.