Chlorine and sarin nerve-gas attacks going back to March, 2013, have killed more 1,000 Syrians and brought swift international condemnation and the threat of U.S. air strikes.

The remains of an oak forest plantation called Kitcheners Wood, objective of attack by 10th and 16th Cdn Inf. Bns., April 1915 Photo Credit: NAC-PA-004564 Canada history: WWI- April 22-24, 1915 ...

At least 50 civilians were being treated Saturday following a suspected poison gas attack by Syrian rebel groups on the government-held Aleppo city in the country’s north, according to reports ...