Trump offered his warm support to May over the just- concluded parliamentary election, it said. Theresa May could need the support of the Democratic Unionist Party in Northern Ireland in order to form a new government.
The election proved disastrous for the U.K. Independence Party, which failed to win a single seat.
The Conservatives have argued in the event of a hung Parliament, Mrs May gets the opportunity to form a government first, as her predecessor David Cameron did in 2010 when there was also no clear victor but the party had comfortably more seats than their nearest rival. With 649 of 650 seats declared, the Conservatives had won 318 seats and Labour 261, with smaller parties taking the rest.
The DUP was founded in 1971 by firebrand Protestant evangelical preacher Ian Paisley to defend Northern Ireland's union with Britain against demands for a united Ireland.
If they don't reach that number we have got what is called a hung Parliament. Roula, thanks very much for being with us.
Political leaders in Northern Ireland had cast the election as a referendum on whether voters want to be part of the United Kingdom or neighboring Ireland after Brexit and a nationalist surge at regional elections in March raised the stakes in the long and divisive dispute over the province's status.
Ms Foster added: "No-one wants to see a hard border, Sinn Fein talk about it a lot, but nobody wants a hard border".
May has been pressing for a so-called "hard" Brexit, which would include leaving the EU's massive collective market and no longer allowing European Union citizens to live and work freely in the United Kingdom. The DUP has fought to maintain tight restrictions on abortion and opposes gay marriage. "So whether they can hold a weak leader in place - tactically, as it were - until they are ready to move, I don't know".
With no party managing to cross the 326-mark, Britain is now set for a hung parliament resulting in uncertainity.
Chancellor Philip Hammond, meanwhile, is reported to have told the Prime Minister that she needed to put "jobs first" in negotiating a new deal with Brussels, in comments seen as a coded attack on her focus on controlling immigration. And leaders all over Europe will read this result as it's going to be easier for them to get a deal out of the British than it would have been before.
The shift also threatens to deepen a crisis in regional politics in the province of 1.8 million people.
"She is putting that at risk with a sordid, dangerous, distasteful deal".
The snap general election called by May in the hope of securing a bigger majority in the House of Commons, instead saw the Conservatives emerging with insufficient seats to form a majority government.
The UK and Irish governments are now trying to mediate between the DUP and Irish nationalists to restore the Northern Irish government.
Writing in the "Times", she said: "What I could never work out was whether May condoned their behaviour and turned a blind eye or didn't understand how destructive they both were".
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