Former DUP SpAd claims Arlene Foster knew that two of her senior advisors had been involved in delaying RHI cost controls - but Mrs Foster told @StephenNolan she had no idea why it had happened

Arlene Foster sat in front of Stephen Nolan in December 2016 for an RHI television special. She gave her word that she had no idea why there were no delays in cost controls. The former DUP Special advisor Timothy Cairns ,in In his written evidence to the RHI inquiry, has a different version of events. Stephen spoke to Newsletter political editor Sam McBride.