ISIS steps up attacks far from its 'caliphate'

CNN: Istanbul, Jakarta, Philadelphia, multiple locations in Libya, the Russian republic of Dagestan: within the past two weeks all have been the target of attacks by ISIS supporters or affiliates, killing and wounding dozens of people.

The Islamic State in Iraq and Syria is spreading its wings as it comes under greater pressure in its Iraqi-Syrian heartland. And its leader, Abu Bakr al Baghdadi, has threatened more of the same, from Saudi Arabia to the "crusader" countries and beyond.

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