Newly elected Liberal Democrat MP for Richmond Park Sarah Olney speaks on stage after winning her seat in Richmond, south-west London, on December 2, 2016 after votes have been counted in a by election. Former MP Zac Goldsmith triggered the by election by resigning after the government gave the go ahead for a third runway at Heathrow airport. Sarah Olney's Liberal Democrat party want a second referendum on Brexit. / AFP / Justin TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)
