The region is so hot that it has experienced 12 "tropical" nights with evening temperatures above 20 degrees Celsius so far this year, according to the Norwegian Meteorological Institute.
Firefighters say around 160 residents have been briefly trapped in their homes due to the flooding
Photos of Yugorsk and other cities showed residential buildings fuzzy under a blanket of white smog.
Thai canals are clogged with discarded packaging, landfills are overflowing with mountains of bags, and trash bins are stuffed full of crumpled food wrapping.
Russia's Aerial Forest Protection Service is trying to suppress 136 fires over 43,000 hectares. Firefighters are using explosives to contain the fires and seeding clouds with silver iodide to encourage rain.
Russian authorities are investigating the mysterious death of nearly 300 endangered seals that had been discovered washed up on the shores of the Caspian Sea. 272 dead Caspian seals have been found at a number of locations in the southern region of Dagestan.
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