PARIS -- Samples obtained by French intelligence show that forces loyal to Syrian President Bashar al-Assad "undoubtedly" used sarin nerve gas in an April 4 attack in northern Syria, France's foreign minister said on Wednesday, citing a declassified report.
"We know, from a certain source, that the process of fabrication of the samples taken is typical of the method developed in Syrian laboratories," Jean-Marc Ayrault told reporters.