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Iran rivals both declare victory Iran election rivals both declare victory
(20 minutes later)
The two main candidates in Iran's presidential election have claimed victory, after extended voting as huge numbers of people turned out to vote.The two main candidates in Iran's presidential election have claimed victory, after extended voting as huge numbers of people turned out to vote.
Reformist challenger Mir Hossein Mousavi told a news conference that he had won by a substantial margin.Reformist challenger Mir Hossein Mousavi told a news conference that he had won by a substantial margin.
However, state media said incumbent President Mahmoud Ahmadinejad had won, and electoral officials said partial results put him ahead on 69%. However, state media said hardline President Mahmoud Ahmadinejad had won, and officials said he had got 69% of the five million votes so far counted.
But Mr Mousavi has complained of some voting irregularities.But Mr Mousavi has complained of some voting irregularities.
He said there had been a shortage of ballot papers and millions of people had been denied the right to vote.He said there had been a shortage of ballot papers and millions of people had been denied the right to vote.
His election monitors were not allowed enough access to polling stations, he added, saying he would deal seriously with any fraud.His election monitors were not allowed enough access to polling stations, he added, saying he would deal seriously with any fraud.
"[We] are waiting for the counting of votes to officially end and explanations of these irregularities to be given," Mr Mousavi said. "We expect to celebrate with people soon.
"We hope that authorities in charge do their work in this regard."
Surge of interestSurge of interest
The BBC's Jon Leyne in Tehran says that, with the count barely having begun, this could be a case of the two candidates just sending a warning. But electoral commission chief Kamran Daneshjoo said Mr Ahmadinejad had gained 3.4 million of the five million so far counted, compared with more than 1.4 million for Mr Mousavi.
There has been a surge of interest recently in the election, with unprecedented live television debates between the candidates and rallies attended by thousands. The BBC's Jon Leyne in Tehran says that, with the count barely having begun, the rival declarations could be a case of the two candidates just sending a warning.
IRANIAN ELECTION Voting age 18 years; electorate of 42.5m peoplePresident to serve maximum of two consecutive four-year terms (or three non-consecutive)Election won by absolute majoritySecond round held between top two if no candidate wins majority Power of women in Iran's election Read your comments
There has been a surge of interest recently in Iran's presidential election, with unprecedented live television debates between the candidates and rallies attended by thousands.
There have been long queues of voters at polling stations, with officials predicting an "unprecedented" turnout.There have been long queues of voters at polling stations, with officials predicting an "unprecedented" turnout.
Four candidates are contesting the election, with Mohsen Razai and Mehdi Karroubi trailing the two main contenders.Four candidates are contesting the election, with Mohsen Razai and Mehdi Karroubi trailing the two main contenders.
If no candidate gets 50% in the first round, the two front-runners will face a run-off vote.If no candidate gets 50% in the first round, the two front-runners will face a run-off vote.
The result will be watched closely outside Iran - in the US, Israel, and European capitals - for any hint of a possible shift in the country's attitude to the rest of the world, BBC diplomatic correspondent Jonathan Marcus says.
The timing of the election is also crucial, as the US push for a new policy of engagement with Tehran cannot really get going until the outcome of the election is clear, our correspondent adds.
US President Barack Obama said as the polling drew to a close that he was "excited" by the robust debate taking place in the country.
Women's interest
President Ahmadinejad draws support mainly from the urban poor and rural areas, while his rivals have huge support among the middle classes and the educated urban population.
The BBC's Jon Leyne explains the voting process in Iran
Iranian women have also shown great interest in the election and it appears many of them will be voting for the moderate candidates who have promised them more social freedoms, our analyst says.
The votes in regions with national and religious minorities are also important, as they normally vote for reformist candidates.
Mr Mousavi is an ethnic Azeri and is expected to do well in his province, as is Mahdi Karrubi in his native Lorestan province.
Iran is ruled under a system known as Velayat-e Faqih, or "Rule by the Supreme Jurist", who is currently Ayatollah Ali Khamenei.
It was adopted by an overwhelming majority in 1979 following the Islamic revolution which overthrew the autocratic Western-backed Shah.
But the constitution also stipulates that the people are the source of power and the country holds phased presidential and parliamentary elections every four years.
All candidates are vetted by the powerful conservative-controlled Guardian Council, which also has the power to veto legislation it deems inconsistent with revolutionary principles.
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