You can call Poison Control at 1-800-222-1222 ... So just how dangerous is chlorine gas? It was effectively used as a weapon during World War I. Symptoms of exposure are: Ammonia, which is ...

Islamic State fanatics returning to Britain could be plotting horrifying attacks using chlorine gas which killed thousands of troops during the First World War. The warning has been given by one ...

Canadian soldiers were among the first to witness the horrors of modern warfare as "the war to end all wars" exploded onto the world stage ... cloud - poisonous chlorine gas - rose from the ...