The BBC has seen video and eyewitness testimony that appears to corroborate allegations of chemical weapons' use in the Syrian town of Saraqeb. So what do we know about the alleged instances of chemical weapons use in the conflict so far? Syria's chemical weapons stocks, and the...

The western Syrian town of Qusair has become a fiercely contested battleground between the forces of President Bashar al-Assad and rebel fighters. On 19 May, following weeks of skirmishes and bombardment by artillery and aircraft, government troops backed by Hezbollah militants launched a...

What is the status of the situation in Syria? Syria's civil war continued unabated in early 2013 amid an international deadlock on how to mediate the conflict that has killed more than seventy thousand people and displaced millions more. Global concerns have mounted over allegations that...