Locals warned not to use water for baths as authorities urgently check for radioactive or toxic substances.

Environmental experts say levels of contamination were 193 times normal.

The Molchanka’s waters have been this strange hue for a week, and now feared pollution threatens drinking supplies in city of Tyumen.

Projects in Buryatia underway despite warnings of a crisis in pollution in world's deepest lake.

Famed for the purest water on the planet, but this 'is no longer true' with 'no drinking' warning in southern part of lake.

In beach resort of Listvyanka alone, 98 contaminated streams are disgorging sewage and chemical waste into the pristine waters of the world's oldest lake.

Concern over world's oldest and deepest lake as nasty odour and green algae discourages sunbathers in Buryatia.

In fact, the 'rain’ turning all cars red in a Norilsk parking lot is a sign that pollution IS finally being tackled.