Rishi Sunak and Keir Starmer cast their ballots in UK's high-stakes general election

Opinion polls suggest Labour is on course to secure a big majority in the House of Commons and form a new government

Labour leader Keir Starmer and his wife Victoria arrive to cast their votes in London. Picture: James Manning/PA

Rishi Sunak and Keir Starmer have cast their ballots as they vie to win the UK's general election after weeks of campaigning.

Polling stations across the UK opened at 7am, giving millions of voters the chance to decide if the Tory incumbent remains in the top job or the Labour leader enters Downing Street.