This article on how the USA is trying to twist the facts, to support their push for military intervention in Syria. The whole should be read, though one sentence from the British Joint Intelligence Organisation sums the situation up:
“The two-page assessment by the British Joint Intelligence Organisation released August 29, pointed to this question:”There is no obvious political or military trigger,” it said, “for regime use of Chemical War on an apparently larger scale now, particularly given the current presence of the UN investigating team.”