In the third part of our series looking at the conclusion of the 21st century’s most devastating conflict, we examine the role of Kurdish militants

In the second part of our series looking at the conclusion of the 21st century’s most devastating conflict, people in Idlib province speak of their fear as Assad’s army prepares to strike

In the first in a series on the aftermath of the 21st century’s most devastating conflict, refugees from the seven-year war say they are hugely sceptical about claims that it is safe to return home