Pilot error, technical malfunction and bad weather are all possible causes checked by investigators.
Tragedy as teens walked in biting cold rather than wait for bus.
Adventurers from Irkutsk's A1team spruce up the giant lake's shoreline, before showcasing its stunning scenery - and ancient rock paintings.
One early visitor: a fireball streaking across the sky and splashing into Lake Baikal.
They wear military headgear, raise the flag, carry knives in their mouths, and shoot at a target.
The man was detained in Irkutsk in December during a raid to detect foreign citizens violating immigration rules.
Powerlifter Oksana Kosheleva gets road rage, pulls motorist out of his vehicle, carries him over her shoulder, and locks him in the trunk of her car.
Official's daughter ploughed onto pavement at high speed and was sentenced to prison but now walks free under Kremlin amnesty.
New government list of prohibited activities paves the way for new 'environmentally-safe' small businesses near the lake.