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Saudi Arabia boosts security on heavily fortified Iraqi frontier

The group now calling itself the Islamic State rampaged across the border between Syria and Iraq a month ago and has since declared a caliphate across a swathe of the Middle East from Aleppo to the outskirts of Baghdad. But if its leader Abu Bakr al-Baghdadi, who has proclaimed himself ruler of all the world's […]

Reuters reports:

The group now calling itself the Islamic State rampaged across the border between Syria and Iraq a month ago and has since declared a caliphate across a swathe of the Middle East from Aleppo to the outskirts of Baghdad.

But if its leader Abu Bakr al-Baghdadi, who has proclaimed himself ruler of all the world's Muslims, has his eyes on extending his caliphate south, he will face a far more formidable frontier at the border with Saudi Arabia.