The Islamic State's gruesome killing of a sheikh and some of his relatives by rigging his corpse with explosives has led to security concerns in the multiethnic region bordering Iran, long a hotbed for extremism and susceptible to sectarianism.
The Islamic State's gruesome killing of a sheikh and some of his relatives by rigging his corpse with explosives has led to security concerns in the multiethnic region bordering Iran, long a hotbed for extremism and susceptible to sectarianism.
