The first cases against the Syrian president are submitted to the International Criminal Court.Read more
Khaled al-Ayoubi was once Syrias's most senior UK diplomat, but now breeds birds in Barnsley.
Marie Colvin was killed in Syria in 2012 and her death is the subject of a new film in 2019.
After seven years of civil war in Syria, President Bashar al-Assad appears close to victory against the forces trying to overthrow him.
A BBC investigation shows the extent to which chemical weapons have been crucial to his war-winning strategy.
Rebel fighters have until Monday to remove themselves from the buffer zone around the city of Idlib.