The UN chemical weapons inspection team will return to Syria next week, UN disarmament chief Angela Kane has confirmed to Al Jazeera.<br />The team are preparing for the trip after President Bashar al-Assad vowed to sign up to the chemical weapons convention. <br />Russia has criticised the team's report on the August 21 gas attack in Damascus for being one-sided.<br />However, the inspectors told Al Jazeera they are confident that the report's findings are fair and accurate.<br />Al Jazeera's Tim Friend reports from the Organisation for the Prohibition of Chemical Weapons in The Hague.