The international chemicals watchdog is to investigate claims surrounding the alleged use of chlorine by the Syrian government against its citizens.
The mission, which is set to depart "soon", has been agreed to by the Syrian government, the Organisation for the Prohibition of Chemical Weapons said in a statement.
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The National People's Congress also appointed close Xi ally Wang Qishan to the formerly ceremonial post of vice president.
Highs of 7 Celsius (45F).
The move, which had been expected, was made on the recommendation of FBI disciplinary officials.