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Voting begins in Iran's election

Kamran Jebreili / AP

People line up to cast their ballots for the parliamentary elections at Masoumeh shrine in the city of Qom, Iran, on March 2, 2012.

Ayatollah Khamenei's official website via EPA

Ayatollah Ali Khamenei, right, giving his ID to officials before casting his vote in Tehran on March 2, 2012.

Morteza Nikoubazl / Reuters

Young people stand in line while waiting to cast their votes at a mosque in central Tehran on March 2, 2012.

Behrouz Mehri / AFP - Getty Images

A clergyman chooses his candidates at a polling station at the Massoumeh shrine in the religious city of Qom on March 2, 2012.

Behrouz Mehri / AFP - Getty Images

A girl stands next to a ballot box as election officials register a voter at a polling station at the Massoumeh shrine in Qom on March 2, 2012.

Atta Kenare / AFP - Getty Images

A couple cast their vote at a polling station in Tehran on March 2, 2012.

Iranians voted on Friday in a parliamentary election which is expected to reinforce the power of the clerical establishment of Supreme Leader Ayatollah Ali Khamenei over hard-line political rivals led by President Mahmoud Ahmadinejad.

The election is unlikely to have much impact on Iran's foreign policies - the country's disputed nuclear program and international relations are already strictly controlled by Khamenei.

But it could allow the clergy to strengthen its hand in determining the political backdrop ahead of a presidential election due in 2013. Read more.

-- NBC News, msnbc.com staff and news services contributed to this report

EDITORS' NOTE: Foreign media are subject to Iranian restrictions on leaving the office to report, film or take pictures in Tehran.

See more photos of the election campaign on PhotoBlog.