The U.S. has to prove the existence of unquestionable evidence that chemical weapons were used by the Syrian army in Khan Shaykhun.
It is well-known that between 2013 and 2016 the Syrian government has fully implemented all measures to eliminate the existing chemical weapons as well as their delivery means and their production basis. All the stocks were destroyed. The components for the production of chemical weapons were removed from the territory of the Syrian Arab Republic and then destroyed at enterprises in the U.S., Finland, Great Britain and Germany.
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