Syria's government accused rebels of firing a chemical weapon, marking a dangerous escalation in the fight.
"Something went down, but it was short of a chemical weapon, " a senior State Department official told CNN.
It's a person walking now with massive weapons of mass destruction into an underground, a chemical weapon or something.
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Jordan, which shares a border with Syria, is tracking reports of the attack but couldn't confirm whether it involved a chemical weapon, he said.
But Professor Paul Rogers, of the University of Bradford's department of peace studies, said white phosphorus could be considered a chemical weapon if deliberately aimed at people.
This report, entitled A Report Concerning the Possible Involvement of Germans in the Establishment of a Chemical Weapon Facility in Libya, was submitted to the Bundestag on 15 February 1989.
But images posted by Syrian state-run media of the aftermath of the Aleppo incident, which the government blamed on rebels, aren't consistent with a chemical weapon attack, some observers said.
But images posted by Syrian state-run media of the aftermath of the Aleppo incident, which the government blamed on rebels, are not consistent with a chemical weapon attack, some observers said.
And because of technology today, if an organization like that got a weapon of mass destruction on its hands -- a nuclear or a chemical or a biological weapon -- and they used it in a city, whether it's in Shanghai or New York, just a few individuals could potentially kill tens of thousands of people, maybe hundreds of thousands.
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These people do not show outward symptoms of a CW (chemical weapon) attack.
If we want to use law as a weapon against chemical weapons, we should reject the CWC and shore up the Geneva Protocol.
In unfriendly hands, these missiles could deliver a nuclear, chemical or biological weapon on the United States from anywhere on earth.
"The way Syria configured its chemical arsenal was essentially as a weapon of strategic deterrence, not really to be used on the battlefield, but as an instrument of last resort, " said Mr. Zanders of the EU Institute, likening Syria's capacity to use chemical weapons to how Israel treats its nuclear weapons.
U.S. Defense Secretary Chuck Hagel last week said there is evidence that the chemical weapon sarin has been used on a small scale in Syria, though questions remained about the circumstances surrounding it.
As is often the case with paint jobs, the new anti-chemical-weapon paint needs an undercoat and a top coat.
On a separate issue, the spokesman said that the rebels had secured what they believe is an unexploded chemical weapon deployed by the regime Monday in Idlib.
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