Still from unverified footage appears to show helicopter dropping bombs over Darayya
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Russia urged to restrain Syria regime after barrel bombs

5 February 2014 Last updated at 00:21 GMT

The Syrian opposition has called on Russia to restrain the Syrian regime following the sustained use of barrel bombs in civilian areas.

Activists claim the latest air attack, which involved dropping containers packed full of explosives, killed five children in a mosque in a rebel held area of Aleppo.

Jim Muir reports.