Chlorine suspected in March attack
Soldiers arm their tanks as Israeli troops start preparations at a deployment area during a military exercise on August 28, 2013, near the border with Syria, in the Israeli-annexed Golan Heights.
Chlorine was suspected, but never confirmed, as the chemical agent used in an attack on March 19, 2013, in the village of Khan al-Assal in northern Syria.
September 1, 2013 4:00 AM PDT
Photo by: Uriel Sinai
| Caption by: James Martin
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