The boss of the controversial data company Cambridge Analytica is under fire from MPs tonight. Alexander Nix is accused of making false statements when he gave evidence to parliament last month. Tonight we have new evidence, which appears to contradict Mr Nix's evidence to MPs about his company's use of the Facebook data. Andy Davies reports.

Gavin Armstrong is a PhD candidate at the University of Guelph and a committed impact entrepreneur. He is currently serving as the Founder and President of Lucky Iron Fish™, a social enterprise attempting to alleviate iron deficiency around the world using a simple health innovation. A long term advocate and activist against hunger and malnutrition, Gavin is the first Canadian to receive the William J. Clinton Award for international work against hunger and is the inaugural recipient of the international Michaelle Jean Emergency Hunger Relief Award. He has also helped Lucky Iron Fish win a Cannes Lion Grand Prix award, two Gold Lion Awards, a Gold Cannes Health Award, and a Silver Lion Award. He has also received a Silver Innovation Award from the Edison Foundation. In 2015 Conscious Company Magazine featured Gavin as one of the seventeen 'Rising Social Entrepreneurs' of the year.