Warnings from those behind artificial intelligence (AI) technology have made lawmakers around the world take notice. The tech sector itself is engaged with the government and is considering six cornerstone principles as the basis of a digital strategy, but there appears to be little urgency from ministers - and no sign of any concrete action before October's general election. In this week's Focus on Politics, Political Editor Jane Patterson explores the world of Artificial Intelligence and looks at whether its use should be subject to regulation.