On Tuesday in Idlib, a province in the Northwest of Syria, at least seventy people were killed, 20 of them children, in what appears to have been a chemical weapon attack in the rebel-held town of Khan Sheikhoun. Initial reports point to the nerve agent Sarin gas. Our panel of experts asks who was behind this attack. What explanations are being given, and do they stack up?
Click here for the full Debate: www.france24.com/en/20170405-debate-idlib-syria-chemical-part-one