The tragedy was at an industrial waste plant near the oil rich Siberian city of Khanty-Mansiysk.
The final of the World Women's Chess Championship began with a draw at the culmination of this major international event in Khanty-Mansiysk.
The 27 year old Ukrainian beat Antoaneta Stefanova of Bulgaria in a tie-break to secure the title in Khanty-Mansiysk.
Search goes on but there is little hope of finding Khanty-Mansi official alive after he fell into freezing river.
All the strongest grandmasters of the world are battling for supremacy under a knock out system.
Futuristic Khanty-Mansiysk gives a new image to Siberia ahead of shale revolution.
Acrobats from a sports club were killed after driver lost control in poor weather and hit oncoming truck.
It's minus 25C but Vlad and Sasha find a scenic spot to practice, inspired by the Winter Olympics.
The bears have become a major hazard on a highway linking the oil-rich cities of Khanty-Mansiysk to Tyumen.
Remains of extinct giant unearthed in excavation in Khanty-Mansi.