Home Society Politics General election 2017: Best lines from the BBC debate Leaders and senior memebrs of the UKs politcal parties went head to head on 31 May, as they clashed over policies for the 2017 General election. BBC June 1, 2017 19:15 IST Close Leaders and senior memebrs of the UKs politcal parties went head to head on 31 May, as they clashed over policies for the 2017 General election.