Former finance minister Rishi Sunak won the biggest backing from Conservative lawmakers in the first vote to choose who will succeed Boris Johnson as party leader and British prime minister, while two more rivals were eliminated. #RishiSunak #ukprimeminister #BorisJohnson #UnitedKingdom #News #Reuters Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en