"According to the testimonies we have gathered, the rebels have used chemical weapons, making use of sarin gas," del Ponte, a former war crimes prosecutor, said in an interview with Swiss radio late on Sunday.
"We still have to deepen our investigation, verify and confirm (the findings) through new witness testimony, but according to what we have established so far, it is at the moment opponents of the regime who are using sarin gas," she added.
She stressed that the UN commission of inquiry on Syria, which she is a part of, had far from finished its investigation .... http://www.telegraph.co.uk