Syrian Deputy Foreign Minister Faisal Mekdad
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Deputy Foreign Minister: 'This is a war against Syria'

Syria's main political opposition groups are meeting in London - as they attempt to find a way to end their country's civil war.

One of their key demands is that there can be no future role for President Bashar al-Assad.

But the recent military successes by forces loyal to the president have hardened his unwillingness to step down.

Jeremy Bowen has been speaking to the Syrian Deputy Foreign Minister Faisal Mekdad, about the conflict.

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