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Polls opened in on Sunday in an election that is forecast to return the most right-wing government since World War Two and also herald its first woman prime minister.

began at 7amÌý(0500 GMT) and will continue until 11pmÌý(2100 GMT) when exit polls will be published.

However, the complex calculations required by a hybrid proportional/first-past-the-post electoral law mean it may be many hours before a precise seat count is available.

A right-wing alliance led by Giorgia Meloni's Brothers of Italy party appeared on course for a clear victory when the last opinion polls were published two weeks ago.

But with a polls blackout in force in the two weeks before the election, there is still scope for a surprise.

There has been speculation that support for the left-leaning 5-Star Movement, the biggest party in 2018, has picked up in recent days.

A late surge by 5-Star could jeopardise the rightist alliance's chances of winning a majority in the Senate or upper house, complicating the process of forming a government.

Even if there is a clear cut result, the next government is unlikely to take office before late October, with the new parliament not meeting until 13 October.

Meloni would be the obvious candidate for prime minister as leader of an alliance also featuring Matteo Salvini's League party and Silvio Berlusconi's Forza Italia.

That would cap a remarkable rise for Meloni, a 45-year-old from Rome whose party won only fourÌýpercentÌýof the vote in the last national election in 2018.

Italy's first autumn national election in over a century was triggered by party infighting that brought down Prime Minister Mario Draghi's broad national unity government in July.

Italy has a history of political instability and the next prime minister will lead the country's 68th government since 1946 and face a host of challenges, notably rising energy costs.

The outcome of the vote will also be watched nervously in European capitals and on financial markets.

European Union leaders, keen to preserve unity after Russia's invasion of Ukraine, are concerned that Italy will be a more unpredictable partner than under former European Central Bank chief Draghi.

For markets, there are the perennial worries about Italy's ability to manage a debt pile that amounts to around 150 percentÌýof gross domestic product.

Meloni plays down her party's post-fascist roots and portrays it as a mainstream conservative group.

She has pledged to support Western policy on Ukraine and not take undue risks with an economy hit hard by rising prices.

is also benefiting from €192 billionÌý($187 billion) of post-Covid EU recovery funds, offering a powerful incentive to stick to agreed reform plans.

However, there are signs of division between Meloni and her allies on foreign policy.

League leader Salvini has criticised the impact of higher energy prices on Italians, blaming it in part on the blowback from Western sanctions against Russia.

Berlusconi sparked outrage late in the campaign when he appeared to defend Russian President Vladimir Putin.

(Reuters)