- The Labour Party wins the three by-elections held in the United Kingdom on Thursday. Steve Reed is elected in Croydon North, Andy McDonald in Middlesbrough and Sarah Champion in Rotherham. The UK Independence Party achieve second place in Middlesbrough and Rotherham, beating the Conservatives and Liberal Democrats.
- British polls open in the 2005 general election. Voters will elect 645 of the 646 members of the House of Commons. Most expect Tony Blair and his Labour Party to win, but both Michael Howard and the Conservative Party along with Charles Kennedy and the Liberal Democrats are expected to make major gains in Parliament. (Wikinews)
- Polls open in the United Kingdom, with Labour leader Jeremy Corbyn and incumbent Theresa May of the Conservatives battling in a tight race, according to final opinion polling, to become prime minister.
- British Prime Minister Theresa May proposes that a snap election for the House of Commons will be held on the 8th of June. A two-thirds majority of the House of Commons is needed to approve this, eventually tomorrow. The Labour and Liberal Democrats party leaders have expressed their support.
- The BBC is told that the UK's three main political parties, the Conservatives, Labour and the Liberal Democrats, will declare that whoever forms the government after the next general election will not agree to a currency union with an independent Scotland.