This picture is circulating on Instagram as proof that Antifa and ISIS are the same. They are not. It's from Syria, where some members anarchists went to fight together with the Kurdish YPG against ISIS forces and captured one of their flags. 
You can read more about the anarchists who fought against ISIS. Make no mistake they're still a bunch of dicks, some of whom have training and experience as insurgents, but they are not ISIS. rollingstone.com/politics/polit…
Here's Antifa in Syria.
