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Investigation is launched after many die in Russia's floods

9 July 2012 Last updated at 02:22 BST

Russia is holding a day of national mourning for at least 170 people killed in devastating flash floods in the south of the country.

A criminal investigation has been launched into whether potential negligence contributed to the deaths.

The worst-affected region is Krasnodar, where it is feared many people drowned in their beds.

The BBC's Oleg Boldyrev reports from the town of Krymsk.