20,000 or more besieged Yazidis [ escaped from Isis encirclement ]( http://www.theguardian.com/world/2014/aug/10/iraq-yazidi-isis-jihadists-islamic-state-kurds ) . It is not clear whether US attacks helped make this possible.
Ссылка: https://stallman.org/archives/2014-may-aug.html#11_August_2014_%28Besieged_Yazidis_escaped%29