The Conservative Party will form U.K.'s next government with support from the Northern Irish party.
Once negotiations begin, Theresa May's slender majority will bring new challenges.
Corbyn was seen as old-fashioned and too extreme, but after a shock election result, Britain, and the world, won't be able to ignore his message.
Here are five key takeaways as U.K. politics enters an period of extraordinary uncertainty.
If the polls turn out to be true, it would represent a major embarrassment for Prime Minister Theresa May, who called the vote to try to build on her current 330 seats by a substantial margin.
The Vermont senator said he was "very impressed" by the Labour party leader's campaign during a speaking tour in the U.K.
If Theresa May gets a good Conservative result in Scotland, she may well claim the case for an independence vote has been weakened.
Leader of the centrist Liberal Democrats on what his religion teaches him about politics and how his party plans to recover from 2015's electoral collapse.
Twenty years ago, Tony Blair won the U.K. election in a record-breaking landslide. After Brexit, does anything remain of the Britain he led?
Opposition politicians were highly critical of the Daily Mail's front page on Theresa May's call for a general election.
The vote is scheduled for June 8.