Voters are at the polls today for byelections in Greater London, North Yorkshire and Somerset - three contests in very different parts of the country that will serve as a barometer of public opinion as MPs finish up for the summer break.
Uxbridge and Ruislip, Selby and Ainsty and Somerton and Frome are up for grabs after Boris Johnson, Nigel Adams and David Warburton - all Conservatives - announced their respective resignations, creating an unwelcome triple headache for Rishi Sunak.
