Syria chemical weapons destroyed: How we got here
31 October 2013 Last updated at 13:07 GMT
International inspectors have completed the destruction of Syria's declared chemical weapons-producing equipment - one day ahead of schedule.
A team from the Organisation for the Prohibition of Chemical Weapons (OPCW) was sent to Syria following allegations that the regime's forces had used chemical weapons in civilian areas. The government has denied this.
Paul Adams re-visits disturbing footage of the attack.