Bob Crow in Rojava

Two years ago, the media discovered that combatants from Europe and the United States were travelling to the Middle East not only to join the jihadist forces, but also to fight them.

The focus mostly fell on the Lions of Rojava, an international unit composed of veterans and former private defense contractors within the YPG, the Kurdish armed forces in Rojava. 

Source 

https://www.jacobinmag.com/2017/02/rojava-ypg-bob-crowe-volunteers-left-politics/