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South Carolina primary: Exit polls suggest Gingrich win South Carolina primary: Exit polls suggest Gingrich win
(40 minutes later)
Exit polls are predicting a victory for former House speaker Newt Gingrich over frontrunner Mitt Romney in South Carolina's primary. Exit polls predict a win for Newt Gingrich over Mitt Romney in South Carolina's primary, the latest leg of the battle for the Republican candidacy in the US presidential election.
Fox News, MSNBC and NBC called the vote in Mr Gingrich's favour almost immediately after the polls closed. CNN, Fox News, MSNBC and NBC called the vote in the former House speaker's favour shortly after polls closed.
The election is a key test for the four major Republican candidates battling to be the party's candidate in November's presidential election. Former Pennsylvania senator Rick Santorum and Texas representative Ron Paul trailed badly.
The South Carolina victor has won the nomination in each election since 1980.The South Carolina victor has won the nomination in each election since 1980.
Some media outlets are being more cautious, but it looks like a victory for Mr Gingrich, and a big one, the BBC North America editor Mark Mardell in South Carolina. Polling stations across South Carolina closed at 1900 local time on Saturday (00:00 GMT Sunday).
It looks like a victory for Mr Gingrich, and a big one, the BBC North America editor Mark Mardell in South Carolina.
Some early exit polls gave Mr Gingrich a solid lead of up to 10% over Mr Romney, a former governor of Massachusetts.Some early exit polls gave Mr Gingrich a solid lead of up to 10% over Mr Romney, a former governor of Massachusetts.
If it is true, it is important, our correspondent says, because all along the story of this race has been the search by Conservatives for an alternative to Mitt Romney.If it is true, it is important, our correspondent says, because all along the story of this race has been the search by Conservatives for an alternative to Mitt Romney.
It looks like victory for Newt, and a big one. If it is true, it is important.
All along the story of this race has been the search by Conservatives for an alternative to Mitt Romney.
It's just possible they have settled on Gingrich.
At the very least such a result would puncture the sense that eventually Romney will triumph. It slows his momentum.
And I suspect that it will mean the race will get very nasty indeed.
One thing I wouldn't take too seriously.
Ever since 1980, the Republican winner of the South Carolina race has gone on to win the party's nomination.
It is an interesting historical fact but it is certainly not an iron law.
Its just possible they have settled on Mr Gingrich. At the very least such a result would puncture the sense that eventually Mr Romney will triumph, our correspondent adds.Its just possible they have settled on Mr Gingrich. At the very least such a result would puncture the sense that eventually Mr Romney will triumph, our correspondent adds.
Polling stations across South Carolina closed at 1900 local time on Saturday (00:00 GMT Sunday). Mr Romney, speaking after polls closed at 19:00 (00:00 GMT Sunday) said the race for the Republican presidential candidacy was "getting to be even more interesting".
"This is a hard fight because there is so much worth fighting for," he said.
Mr Gingrich has captured the headlines in recent days, batting off a potentially damaging interview from an ex-wife, in which she said he had wanted an "open marriage".
The other two major candidates left in the race are former Senator Rick Santorum and Congressman Ron Paul.
Mr Santorum is competing with Mr Gingrich for the conservative vote, while Mr Paul's libertarian message has won him a passionate support, especially among young voters.
Primaries and caucuses will be held in every US state over the next few months to pick a Republican nominee before the eventual winner is anointed at the party convention in August to take on Democratic President Barack Obama in November.