2017 United Kingdom general election Conservatives, including Twickenham, won back by Vince Cable, and Kingston and Surbiton, won by Ed Davey, but lost two seats to Labour: Leeds North West and Sheffield Hallam, the seat of former party leader Nick Clegg. Richmond Park, which the Liberal Democrats had won in a 2016 by-election, was narrowly lost to the Conservatives. Caroline Lucas remained the sole Green Party MP, retaining Brighton Pavilion. In Scotland, the Conservatives, Labour and the Liberal Democrats all gained seats from the SNP, whose losses were attributed to opposition to a second Scottish independence referendum, contributing to tactical voting for unionist parties. The
Brighton Pavilion (UK Parliament constituency) and former union worker, as their candidate in June 2007. This meant that, distinctively, all of the four leading parties in the constituency had female candidates. In 2010, Labour's share of the vote fell by 6.5%, and Lucas, by then leading the Green Party, won the seat. In contrast to national results, the Conservative and Liberal Democrat share of the vote fell. Lucas retained the seat for the Green Party at the 2015 general election with an increased majority. Purna Sen, who held senior roles at the Commonwealth, LSE and Amnesty International, was selected to contest the seat for Labour.