Mustard gas was used by the Italians in Abyssinia in ... Since 2005, an annual Day of Remembrance for all Victims of Chemical Warfare has been held on April 29. The event, chosen because it ...

The September attack left more than 40 people injured. Some of the victims described symptoms similar to the use of mustard gas, banned since 1923. Previously, Russian experts obtained evidence of ...

They also had a deep psychological impact, forcing soldiers to keep masks at the ready for fear of falling victim to a silent ... and deadliest - was mustard gas, in reality an oily vapour first ...