Rubble after attack in Aleppo
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Aleppo water supply cut as Syria fighting rages

About 100 people have been killed in fighting in Syria, activists say, most of them in the two main cities, Damascus and Aleppo.

Several Aleppo neighbourhoods have been left without drinking water after a water main was damaged in fighting.

Meanwhile, the new UN-Arab League envoy Lakhdar Brahimi is set to begin mediation efforts, with a visit to Cairo for talks with Arab League foreign ministers.

Jim Muir reports.

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