Mr Fabius declared that ".....tests show the presence of sarin in various samples in our possession," and on one occasion by Syrian forces or accomplices. Almost immediately Britain also indicates that sarin has been used" The UN says that there seems to exist suggestive evidence that both the Syrian forces and the rebels may have used chemical weapons on some occasions. Why keeping the evidence more or less secrete. Put it out so that we all can evaluate the truth of it. I suspect that for example France and England will not do that.
Singapore arrests man who tried to join ISIS (Reuters)
from the article: France: Tests confirm sarin gas used several times in Syria