Wildfires have killed at least 15 people and injured about 400 in the Khakassia region of southern Siberia, Russian media report.
Officials say the fires, fuelled by high winds and dry weather, destroyed 1,200 houses in 30 towns and villages.
Firefighters have now managed to extinguish the flames, the Rossiya 24 TV news channel reports.
They were helped by water-bombing aircraft. Five cases of alleged criminal negligence have been opened.
At least 5,000 people have fled to emergency accommodation.
Authorities in the Khakassia republic - part of the Russian Federation - have decided to ban alcohol sales while the state of emergency continues in the region.
There are suspicions that farmers burning grass in their fields were to blame.
