UK voters due to vote in general election on May 6 . Labour chasing fourth straight , but Conservatives ahead in polls . Opening of Parliament a procedural step taken by Queen Elizabeth II . New parliament due to take office on May 7th .
UK voters go to polls in general election on May 6 . Labour chasing fourth straight victory but Conservatives ahead in polls . Dissolution of parliament a procedural step performed by Queen Elizabeth II . New parliament due to take office on May 24 .