WARNING - UPSETTING CONTENT: The boy's gran is seen desperately trying to rescue the seven-year-old after he was washed away in the fast flowing water in Sochi, Russia
His grandmother is seen in blind panic in this shocking video after losing her grandson as a street turned into a raging river in top resort Sochi.
In desperation she runs up and down the pavement trying to access the next manhole leading to the culvert in which her grandson Nikolay Malkov has been washed away.
She then undresses and climbs into the hole where he was lost - but tragically she is unable to save the child.
The unnamed grandmother is seen disappearing into the hole but she was later rescued.
The unnamed boy, from the Russian region of Tatarstan, fell into the drainage duct after a cover over the channel was washed away by the sheer force of the flood water, say locals.
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