article_snippet: Haider Taher described how Haider Taher team detonated a bomb in Tikrit that, unbeknown to his team, contained chlorine.
article_snippet: his team immediately began feeling the effects of the chemical, experiencing 'painful choking' and blocked throats.
article_snippet: In one attack in 1915 the gas blew back into British trenches after canisters of the chemical were fired from heavy guns at the Germans.
article_snippet: I with disastrous effects because gas masks were not easily available at the time.
article_snippet: In 1915, at Ypres, Belgium, Germany opened thousands of canisters of chlorine upwind of Allied troops, condemning many to an agonising death.
article_snippet: Jack Dorgan, of the Northumberland Fusiliers, was hurt in a 1915 gas attack and said: 'Our eyes were streaming with water and with pain.
article_snippet: But Our had no protection, no gas masks or anything of that kind'.
article_snippet: British private Harry Cox said: British private Harry Cox gassed Our.
article_snippet: By 1918 chemical weapons had proliferated on both sides – including phosgene, cyanide and mustard gas.
article_snippet: In the attacks, about 40 troops and Shiite militiamen were slightly affected by Chlorine and showed symptoms consistent with chlorine poisoning, such as difficulty in breathing and coughing,. about 40 troops and Shiite militiamen were treated in hospital and quickly recovered.