A Syrian rebel fires a heavy machine gun
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Syria crisis: Intense fighting continues in Aleppo

Intense fighting is continuing in the last major rebel stronghold of Aleppo in Syria.

Pro-government forces have already won control of the strategic town of Qusair on the border with Lebanon - with help from Hezbollah.

Now the Free Syrian Army fears Aleppo will be next and is appealing for help.

The BBC's Middle East correspondent Jim Muir has been monitoring events from neighbouring Lebanon.

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