article_snippet: Ahmet Uzumcu, chief of the Organisation for the Prohibition of Chemical Weapons (OPCW) said the organisation would continue a current fact-finding mission into the use of 'toxic chemicals for hostile purposes' in Syria.
article_snippet: Ahmet Uzumcu, chief of the Organisation for the Prohibition of Chemical Weapons (OPCW) added: 'The matter is of serious concern.'
article_snippet: The OPCW team has a rolling mandate from the United Nations .
article_snippet: to investigate chemical weapon use in Syria, but will need to .
highlights_snippet: were of 'serious concern' and a fact finding mission into reports that chemical weapons being used would continue .