In the Conservative stronghold of Uxbridge, west London, voters express their views as they prepare to choose former prime minister Boris Johnson's replacement as MP. Johnson quit parliament last month and the opposition Labour Party is favourite to pick up the seat when voters go to the polls on July 20. The Conservatives are languishing in the polls after 13 stormy years in power, and face a daunting electoral test next week with by-elections in three traditionally "Tory" constituencies. IMAGES AND SOUNDBITES