Assad dismisses critics as Syria votes to extend his grip on power

President Bashar al-Assad dismissed criticism of Syria's presidential election as voters cast ballots on Wednesday in government-held areas despite Western accusations it was neither "free nor fair".

"Your opinions have zero value," Assad said, after voting with his British-born wife Asma in the Damascus suburb of Douma, a key rebel stronghold until its recapture by government forces three years ago.

On the eve of the election, the U.S., Britain, France, Germany and Italy said the poll was "neither free nor fair", and Syria's fragmented opposition has called it a "farce".

But they will watch powerless as few doubt Assad will trounce his two virtually unknown challengers to win a fourth term, in a war-battered country mired in economic crisis.

The controversial vote is the second election since the start of a decade-long civil war that has killed over 388,000 people and displaced half the pre-war population.

Huge election posters glorifying Assad have mushroomed across the two-thirds of the country under his control.

State media, which showed long queues forming outside polling stations in the morning, said at midnight (2100 GMT) polls had closed, after having reported that they would be kept open five hours beyond the planned closing time. It said counting had started.

Hundreds of students clamoured to vote outside Damascus University. "I came to vote for Bashar al-Assad because he is the only man who withstood 10 years of war," said 26-year-old Kinan al-Khatib. Around him, students chanted: "With our blood and with our souls, we sacrifice our lives for you, Bashar."

The result is not expected before Friday evening.

The election takes place amid the lowest levels of violence since 2011 – but with an economy in free fall.

More than 80 per cent of the population live in poverty, and the Syrian pound has plunged in value against the dollar, causing skyrocketing inflation.

Assad's campaign slogan, "Hope through work", evokes the colossal reconstruction needed to rebuild the country, requiring billions of dollars in funding.

Assad, a 55-year-old ophthalmologist by training, was first elected by referendum in 2000 after the death of his father Hafez, who had ruled Syria for 30 years.

Standing against him are former state minister Abdallah Salloum Abdallah and Mahmud Merhi, a member of the so-called "tolerated opposition", long dismissed by exiled opposition leaders as an extension of the regime.

Assad has refrained from holding campaign media events and interviews. But he issued a general amnesty for thousands of prisoners this month, on top of a series of decrees aimed at improving economic conditions.

Last week, thousands of Syrians abroad with the right paperwork cast early ballots in their embassies. But those who had fled the country illegally – and so who could not show an exit stamp in their passport – were barred from voting.

Several countries that oppose Assad blocked the vote altogether, including Turkey and Germany, which host large Syrian refugee populations.

In the last multi-candidate poll in 2014, Assad won 88 percent of the vote. It took place as the war raged, with the air force bombing rebel areas of second city Aleppo and fierce fighting in Hama, Idlib and Daraa, as well as near Damascus. (AFP)