The world’s biggest nickel producer has admitted that one of its plants was responsible for a river in the Russian Arctic turning red.<br /><br /> Norilsk Nickel says a “filtration dam” at the Nadezhda plant over flowed due to heavy rain. However, it claims there is no danger to people or wildlife.<br /><br /> The company last week denied any responsibility when Greenpeace Russia provided pictures from the site, showing river banks covered in crimson slime.<br /><br /> The environmentalist group says it is too early to judge the impact of the spillage.<br /><br /> Indigenous groups have accused the company of lax safety standards.<br /><br /> Shocking! Russian River Turns Disturbingly Red Due to #Nickel Waste #Pollution https://t.co/RmWXABDtY6 #waterpolution #Russia— Krister Honkonen (@KHonkonen) September 9, 2016<br />
