“A suspected al-Qaida in Iraq suicide bomber smashed a truck loaded with TNT and toxic chlorine gas into a police checkpoint in Ramadi on Friday [April 6, 2007], killing at least 27 people–the ninth such attack since the group’s first known use of a chemical weapon in January.”
– Steven R. Hurst, “Suicide Chlorine Bombing Kills 27,” The Washington Post, April 7, 2007