Nigel Farage's Reform UK looks on course to pick up 13 seats as Labour wins a landslide majority, an exit poll has revealed.
The populist party, which was hoping to make an electoral breakthrough, looks set to outperform Ukip 2015 performance.
Farage spectacularly announced his candidacy in Clacton just a few weeks before polls opened this morning, leading to support for Reform UK to soar.
Responding to the exit poll, Reform UK's deputy leader Ben Habib said: "This is a huge bridgehead. This is politically seismic.
"This is the beginning of the fight back for the nation state of the United Kingdom."
Labour looks poised to secure a 170-seat victory, with 410 seats.
However, it appears to have fallen slightly short of some opinion polls, with Tony Blair's 1997 landslide seeing 418 MPs returned to the House of Commons.
The Tory Party is bracing for its worst electoral performance since 1906, with Rishi Sunak clinging onto just 131 seats.
Sir Ed Davey has seemingly mounted a centrist surge, with the Liberal Democrats jumping to 61 seats.
However, the Scottish National Party is also preparing for a torrid result north of the border.
The SNP is expected to drop from 48 seats to just 10.
Plaid Cymru is expected to pick up four seats, with the Greens making a gain to take its total up to two.