The Syrian regime and its armed opponents have both been accused of carrying out numerous atrocities in the 30-month conflict, which began as a popular uprising and has since snowballed into a full-blown war that has killed 115,000.
In a television interview broadcast today, President Bashar al-Assad again denied having perpetrated an August 21 chemical weapons attack on the outskirts of Damascus that killed hundreds of people and prompted Washington to threaten military action.
"Preparing these weapons is a complex technical operation... And a special procedure is necessary to use them which requires a central order from the army chief of staff. As a result it is impossible that they were used," he said.
A team of experts from the Organisation for the Prohibition of Chemical Weapons and the United Nations has been tasked with implementing the UN resolution to destroy the banned arsenal by mid-2014.
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"Documents handed over yesterday by the Syrian government look promising, according to team members, but further analysis, particularly of technical diagrams, will be necessary and some more questions remain to be answered," it said.
The team said it hopes to begin on-site inspections and the initial disabling of equipment "within the next week".
The 19-member team from The Hague-based OPCW faces a daunting task, as Assad's regime is understood to have more than 1,000 tonnes of the nerve agent sarin, mustard gas and other banned weapons stored at dozens of sites.
It is the first mission in the organisation's history to be undertaken in a country embroiled in a civil war.
The conflict has forced 2.1 million Syrians to flee their homeland, and nearly another six million people are displaced inside the country, hundreds of thousands trapped in besieged towns and neighbourhoods.