New Delhi, Aug. 6 -- Close to 5,600 people have died in flash floods mainly caused by extreme rainfall events, cloudbursts and glacial lake overflows mostly in five districts of Uttarakhand since 1970, Uttarakhand State Disaster Management Authority (USDMA) data shows. This includes 4,127 people who died in the devastating June 2013 Kedarnath flash flood.

On Tuesday, at least four people died and several others were reported missing in Dharali village of Uttarkashi district around 200 km north of state capital Dehradun because of sudden heavy gush of water in the Kheer Ganga river at about 1 pm with tonnes of debris, bringing down several multi-storey houses at confluence of the river with Bhagirathi.

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