ISIS threatens Iran from 'Tora Bora' borderlands
"Today (ISIS) does not control a country... in order to assert that they exist, they may carry out an attack any day."
A fighter of the Islamic State of Iraq and the Levant (ISIL) holds an ISIL flag and a weapon on a street in the city of Mosul June 23, 2014.(photo credit: REUTERS/STRINGER)