Activists Report of Chlorine Attack in IdlibSyrian activists says several dozen people injured in chemical attacks in the northwestern province of Idlib.
US to UN: Investigate Syrian Chemical Weapons UseDiplomats say there is 'mounting evidence' of more chlorine gas attacks despite lengthy chemical removal process.
Kerry: We're Investigating Syria Chlorine AttackSecretary of State warns Syria of consequences if it is discovered the regime used chlorine gas this week.
UN to Vote on Syria Chlorine Bombs SanctionsUS resolution comes up for vote and could lead way for sanctions and even military action, but Russia still hasn't weighed in.
OPCW Confirms Chlorine Gas was Used in SyriaThe Organization for the Prohibition of Chemical Weapons says it found "compelling confirmation" of the use of chlorine gas in Syria.
Kerry: 'Raw Data' Suggests Syria Used Chlorine GasU.S. Secretary of State says he has seen “raw data” indicating that the Syrian government has used chlorine gas in a “number of instances”.
Analysis Confirms Use of Chlorine in SyriaScientific analysis conducted for the Telegraph finds traces of chlorine and ammonia present at the site of three attacks in Syria.
UN Calls for Investigation Into Chlorine AttackUnited Nations Security Council calls for an investigation into reports of alleged chlorine gas use in some Syrian towns.