Unverified footage reportedly showing an attack on Qusair
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Syria conflict: UN condemns Hezbollah ties to Qusair assault

Hezbollah's involvement in the conflict in Syria has been condemned by the United Nations Human Rights Council.

The Lebanese Shia movement has been supporting a Syrian government assault on the strategic town of Qusair, where thousands of civilians are reported to be trapped.

The military chief of the rebel Free Syrian Army has accused Hezbollah of "invading" Syria, with Iranian backing.

Susana Mendonca reports.

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