Rights group's report offers compelling evidence of Syria chemical attack

A young boy gasps for air in a makeshift hospital after an alleged chemical weapons attack on the eastern Ghouta suburbs of Damascus, in an image taken from unverified video posted online by Syrian opposition activists, Aug. 21, 2013. YouTube

On Tuesday, the group Human Rights Watch issued a report that said that Syrian government troops' firing of rockets containing a nerve agent into a Damascus suburb on August 21 that the U.S. said killed over 1,400 people.

While the report doesn't furnish conclusive proof that the Syrian government carried out the attack with chemical weapons, it does present the most coherent circumstantial evidence I've seen so far to support the case.


The report does not rely on ambiguous intercepted phone calls. It cites no shadowy intelligence gathering. Instead, HRW's experts take a close look at witness statements and photographs and video of the victims and -- above all -- the remains of the weapons that appear to have been used.

The report includes a map that identifies two attack sites -- the rebel-held suburbs of Zamalka and Moadimiyeh. Each was hit with at least 4 to 8 rockets.

HRW experts have identified, from multiple pictures sent by local activists, two kinds of rockets. One kind -- 170mm or about 7 inches in diameter -- appears to have been used in all strikes on Zamalka.

And another kind -- a much-larger 330 mm (about 15 inches around) -- in all the strikes on Moadimiyeh.

This would suggest that two separate military units were involved, each firing a barrage of rockets.

The report provides another map that shows that there were several military bases around Zamalka and Moadimiyeh on August 21st, that were within the correct firing distance.

The small rocket was designed in the '50s by the Soviets specifically to take a sarin-filled warhead, and it is known to have been shipped in large quantities to Syria.

Human Rights Watch Syrian rocket diagram
Photos obtained by Human Rights Watch from Syrian activists show pieces of 330mm rockets which purportedly fell on the Ghouta suburbs of Damascus on Aug. 21, 2013, and a diagram of the type of rocket HRW says was used in the attack.
HRW

The big rocket is home-made in Syria. In any available photos and videos, it is Syrian troops who are using this rocket, probably because it's hard to find a launcher. Only one country makes one that fits: Iran.

Furthermore, the 330-mm rocket's warhead has a visible plug on the side which would allow liquid to be poured into it.

Human Rights Watch echoes the conclusion of MIT experts that the large 330-mm rockets would have carried 50 to 60 liters of sarin.

That's just too much to mix up (two precursors have to be blended) without having military facilities and major protective gear.

The HRW report does not answer one of the most puzzling questions about the attack: Why would the Syrian government have carried it out on the very day U.N. weapons inspectors were in Damascus, just a few miles away?

But in the absence of an answer, this report makes a compelling and persuasive read.

  • Elizabeth Palmer

    Elizabeth Palmer has been a CBS News correspondent since August 2000. She has been based in London since late 2003, after having been based in Moscow (2000-03). Palmer reports primarily for the "CBS Evening News."

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