Many have taken refuge on a mountain. The U. S. Air Force is providing supplied, and is bombing the (Islamic state) ISIS assault forces with both aircraft and drones.
Most have gone to Irbil (Arbil), also being protected by U. S. aircraft.
This was mentioned in the Caliphate thread, but that thread has been taken over by the usual crowd of S--- posters.

500,000 Yazidis in Iraq, 60,000 in Germany, 50,000 in Syria.