You're reading: The Economist: Bashar al-Assad kills at least 85 with chemical weapons

On April 4 a chemical attack struck the town of Khan Sheikhoun in Idlib, a province in northern Syria currently controlled by an alliance of rebel groups, including a powerful faction linked to al-Qaeda. At least 85 people, including 20 children, died, according to doctors and a Syrian monitoring group. The World Health Organisation said victims appeared to display symptoms that tally with the use of a deadly nerve agent such as sarin (as opposed to, say, a less powerful one such as chlorine).

Read more here.