Flash floods caused by torrential rain have swept the southern Russian Krasnodar region, killing 134 people, officials say.
The floods, the worst there in living memory, struck at night, reportedly without warning.
TV pictures showed people scrambling onto their rooftops to escape.
President Vladimir Putin has flown to the region, where he will hold emergency talks with officials in the worst-hit town of Krymsk.
Most of those who died were in the Krymsk area but nine deaths were reported in the Black Sea resort of Gelendzhik with a further two in the port town of Novorossiysk.
Emergency teams have been sent from Moscow by plane and helicopter.
Crude oil shipments from Novorossiysk have been suspended.
Russian TV showed thousands of houses in the region nearly completely submerged.