U.N. Secretary-General Ban Ki-moon said that a report on last month's deadly attack in Syria would be "overwhelming" in showing that chemical weapons were used.
http://www.cbsnews.com/8301-202_162-57602924/united-nations-syria-chemical-weapons-report-overwhelming-secretary-general-ban-ki-moon-says/
http://www.cbsnews.com/8301-202_162-57602924/united-nations-syria-chemical-weapons-report-overwhelming-secretary-general-ban-ki-moon-says/