The result was a personal humiliation for Mrs May who called the election three years before she had to to bolster her position in Parliament as she embarked on the negotiations on Britain's withdrawal from the EU.
May's gamble in calling an early election backfired spectacularly, as her Conservative Party lost its majority in Parliament. The DUP would likely provide backing for a Conservative budget and back key legislation as part of a "confidence and supply" deal in return for Conservative approval of certain DUP objectives.
Regardless of Fallon's claims, a growing number of Conservatives are said to be "absolutely furious" with May for putting their jobs on the line for the sake of strengthening her hand overseas in Brexit talks.
May's party won 318 seats, 12 fewer than it had before May called a snap election, and eight short of the 326 needed for an outright majority.
Ms Davidson, who is gay and plans to marry her partner in the near future, said she had received "categoric assurance" from Mrs May about the sanctity of LGBTI rights in Scotland where - unlike in Northern Ireland - equal marriage is legal in the event of any deal with the DUP.
After speculation the PM would use a solid win to move Philip Hammond from the Treasury, he and other potential successors as Tory leader, Foreign Secretary Boris Johnson and Home Secretary Amber Rudd, remained in place.
"This government will guide the country through the crucial Brexit talks that begin in just 10 days and deliver on the will of the British people by taking the United Kingdom out of the European Union", May had said.More news: Everything you need to know about the anti-government protests in Russian Federation
Nick Timothy: The bearded Brummie is the son of a steelworker, who went to grammar school and joined the Conservative Party at the age of 17.
"The mandate she's got is lost Conservative seats, lost votes, lost support and lost confidence", Corbyn told supporters in his Islington North constituency in north London.
At the same time, pro-Europe Scottish Conservative leader Ruth Davidson said she wanted to be involved in "looking again" at Britain's aims for Brexit.
Sinn Fein Northern Ireland leader Michelle O'Neill accused the DUP of betraying the interests of the people of Northern Ireland in its agreement with the Conservative government.
The pound fell sharply after Britain's election saw the Conservatives lose their majority in parliament, raising questions about the next government's ability to lead the talks to leave the European Union.
One Conservative MP, Heidi Allen, predicted she would be gone in six months.
However other senior Tories - including Graham Brady, the influential chairman of the '22 - predicted MPs would rally round, insisting there was no mood in the party for a damaging leadership contest which could see them plunged into a fresh general election.More news: The Mummy has monstrously bad US opening
Without a majority, she could be forced to seek consensus on the approach she takes, potentially by performing a U-turn on single market membership and protecting the economy at the expense of new immigration controls.
The border between Northern Ireland and the Republic of Ireland is sure to be a hot topic.
Mrs May put on a courageous face following Thursday's vote, expressing sorrow for the MPs who lost their seats, but refusing to acknowledge how her election gamble backfired.
DUP leader Arlene Foster, whose party won 10 seats, had said Friday that she was ready to talk to the Conservatives on "how it may be possible to bring stability to our nation".
Senior party figures have cautioned against any immediate leadership challenge, saying it would cause only further disruption as Britain prepares to start talks with Brussels as early as June 19.
"I can still be prime minister".More news: Qatar Downplays Effects of Diplomatic Crisis
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