Retrieved 19 September 2013. ↑ "UN Mission to Investigate Allegations of the Use of Chemical Weapons in the Syrian Arab Republic - Press Conference" (Press release). U.N. 13 September 2013. ↑ "Press Conference on Mission to Investigate Alleged Chemical Weapons Use in Syria" (Press release). U.N. 13 September 2013. ↑ "Ban Ki-moon on Dr. Åke Sellström's final report on alleged chemical weapons' incidents in Syria" (Press release).