A snap General Election would provide a "great opportunity" for Britain to "change the direction" of the country.
Liberal Democrat leader Tim Farron said a potential election represents a chance for the UK to alter which path it takes during Brexit negotiations.
Speaking to ITV News, he said: "It's a great opportunity for the British people to choose to change the direction of our country.
"To oppose a hard Brexit, to keep us in the single market and to make sure that we actually have a strong and decent opposition - which only the Liberal Democrats now offer."
He added that Labour under Jeremy Corbyn had "effectively decided" not to be an alternative government.
Wednesday's newspapers splash with Theresa May's decision to call a general election - a 'bolt from the blue', as The Telegraph puts it.
After Prime Minister Theresa May announced that she is calling for an early general election Labour and the Lib Dems started to prepare.
Theresa May's decision to issue a call for a snap General Election has drawn mixed reaction. Here we take a look at what people are saying.