"We welcome this commitment, which can provide the stability and certainty the whole country requires as we embark on Brexit and beyond".
The Prime Minister has been forced to seek a "confidence and supply" deal with the DUP after losing her majority in a snap election that spectacularly backfired.
'Her coalition of chaos with the racist, sexist, homophobic, sectarian, DUP can't stand.
Sunday's newspapers were unsparing, with The Observer writing: "Discredited, humiliated, diminished".
The Prime Minister announced she was leaving the most senior members of her Cabinet team - including Philip Hammond and Boris Johnson - in place as she began forming a new administration.
Foster has previously said Jeremy Corbyn is "beyond the political pale" for his sympathy with the IRA at the height of the Troubles. "Folk might remember I fought a leadership campaign on the other side of that particular argument", she said.
Scottish National Party leader Nicola Sturgeon was defiant in the face of her party's poor showing, in which it lost 21 of its 56 seats - including former leader Alex Salmond and deputy leader Angus Robertson.
Sinn Fein's refusal to take its seats - which have risen to seven - is likely to be raised again and again in coming months if the government wins narrow votes in which Sinn Fein could have reversed the result if it entered the Commons chamber.
Newspaper headlines saw her as just clinging on.
Sinn Féin leader in Northern Ireland Michelle O'Neill has said the proposed deal between the Conservatives and the DUP "will end in tears".
The resignations came as May worked to fill jobs in her minority government.
"This is a disgusting, desperate attempt to stay in power", read the petition, which outlined some of the DUP's more controversial views including opposition to gay marriage and abortion.
Speaking on the steps of No 10 after an audience with the Queen, the prime minister said the parties had a "strong relationship" and that she meant to form a government which could "provide certainty and lead Britain forward at this critical time for our country".
The leader of the Scottish Conservatives, Ruth Davidson, tweeted a link to a speech she had made about same-sex marriage - something the DUP opposes.
"The 2017 general election has resulted in a hung parliament, because Labour's huge gains have obliterated the Tories" majority.
A coalition deal would have threatened to undermine the Good Friday agreement, the centrepiece of the Northern Ireland peace process.
The DUP has historically been linked to Protestant churches within Northern Ireland and is generally regarded as the more Ulster loyalist of the two major unionist parties.
But they are anxious about what will happen to the border of Northern Ireland, because it's the only part of the United Kingdom which shares a land border with a country that's part of the European Union - the Republic of Ireland.
Citing the threat of terrorism and the Brexit negotiations, she said: "The Union is our "guiding star".
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