They wear military headgear, raise the flag, carry knives in their mouths, and shoot at a target.
Former Ukraine president's son Viktor reportedly drowned when his vehicle plunged through the ice.
Stanley cup winner Valery Kamensky and other stars make history on frozen Lake Baikal.
Powerful telescope placed 1.3km below the icy water hopes to track invisible particles from the sun and stars.
Fresh water supply crisis looms in parts of Siberia as critics accuse hydroelectric firm of 'excessive drainage' from lake.
Russians grieving over damage to magical forests surrounding Siberia's jewel.
The massive property boost for the republic's capital Ulan-Ude was unveiled ahead of the major Baikal Forum of Economics in the city.
Adventurers from Irkutsk's A1team spruce up the giant lake's shoreline, before showcasing its stunning scenery - and ancient rock paintings.
All ice crossings shut in Irkutsk region, local emergency service on top alert.