"Syria's security forces have committed systematic "crimes against humanity" in their crackdown on anti-government protesters, a UN report says.
The study by an independent panel says civilians - including children - have been murdered, tortured and sexually assaulted.
Syria says it is fighting armed gangs. More than 3,500 people have reportedly died in the violence since March.
Meanwhile, Syria condemned the Arab League's imposition of sanctions.
At a news conference, Syrian Foreign Minister Walid al-Mouallem described the league's move on Sunday as a declaration of "economic war" on Damascus, and said the country had already withdrawn 95% of its assets from Arab countries
The sanctions include an asset freeze and an embargo on investments."
The study by an independent panel says civilians - including children - have been murdered, tortured and sexually assaulted.
Syria says it is fighting armed gangs. More than 3,500 people have reportedly died in the violence since March.
Meanwhile, Syria condemned the Arab League's imposition of sanctions.
At a news conference, Syrian Foreign Minister Walid al-Mouallem described the league's move on Sunday as a declaration of "economic war" on Damascus, and said the country had already withdrawn 95% of its assets from Arab countries
The sanctions include an asset freeze and an embargo on investments."