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A banned chemical agent has reportedly been used by the Egyptian military as the brutal crackdown against tens of thousands of protesters has clouded prospects of a democratic transfer in the country.
Reacting to the increasingly militarized response of the security forces, former IAEA official and Egyptian presidential hopeful Mohammed El Baradei wrote via twitter “Tear gas with nerve agent & live ammunition being used against civilians in Tahrir. A massacre is taking place.”
Effects CR gas is a lachrymatory agent (LA) exerting its effects through activation of the TRPA1 channel.[2] Its effects are approximately 6 to 10 times more powerful than those of CS gas. CR causes intense skin irritation, particularly around moist areas, blepharospasm causing temporary blindness, coughing and gasping for breath, and panic. It is capable of causing immediate incapacitation. It is a suspected carcinogen. It is toxic, but less so than CS gas, by ingestion and exposure. However, it can be lethal in large quantities. In a poorly ventilated space, an individual may inhale a lethal dose within minutes. Death is caused by asphyxiation and pulmonary edema. The effect of CR is long-term and persistent. CR can persist on surfaces, especially porous ones, for up to 60 days.