Six infernos ravaging the region's nature have been extinguished in the past 24 hours, it is reported.
Shocking puce water as nearby nickel processing plant says cause is decades of contamination in Soviet times which company is working to overcome.
Officials deny any risk of atomic contamination from the site in Sakha Republic.
Leading oil producer Rosneft burns spilled oil to 'minimise ecological damage'.
New discovery of rare crystal Rosenbergite at 'burning ice' site where earth is hot despite temperatures of minus 35C.