03/09/2011 05:21 pm ET | Updated May 25, 2011

Yemen Protests: Doctors Claim Prohibited Nerve Gas Used On Demonstrators

SANAA, Yemen -- Doctors from the scene of violent anti-government protests in Yemen's capital Tuesday night said that what was originally thought to be tear gas fired by government forces on demonstrators might instead have been a form of nerve gas, which is forbidden under international law.

Military personnel opened fire and used what was originally assumed to be tear gas to disperse a group of demonstrators who were trying to bring additional tents into the protest area outside Sanaa University.

According to witnesses, the soldiers fired warning shots into the air before shooting gas -- and in some cases live bullets -- into the crowd, killing one and injuring at least 50

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