Kashmiri demonstrators hold up a flag of the Islamic State of Iraq and the Levant
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Can Middle East defeat IS militants?

BBC correspondents across the Middle East consider the threat posed by Islamic State militants, who are growing in strength in Iraq and Syria.

Rafid Jaboori reports from Baghdad; Jim Muir is in Irbil, Paul Wood gives the view from Lebanon and Mark Lowen considers Turkey's response.

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