Patrol was checking for people stranded on Lake Kenon in suburbs of Chita - and found the marooned animal.
Residents of a Urals town noticed the dog standing completely still on a frozen pond for 36 hours.
Pensioner, 77, slipped into freezing water but his dog Dick raised the alarm, summoning a rescuer.
Remains from the Zhokhov island in the East Siberian Arctic show trained sled dogs existed almost 10,000 years ago.
12,000-year-old remains of puppy were discovered perfectly intact sealed inside permafrost.
Fast-freezing clothes, hot water fireworks, ice and snow bathing, vodka lollipops, dog sledging - see our report from the Kingdom of Cold.
Barnaul angler Ivan Drachev, 33, caught more than he bargained for when he noticed an animal fallen through the ice.
Lyubov Morekhodova glides over the pure ice on skates made by her father not long after World War Two.
Two young birds saved after taking a seriously wrong turn during migration.
The 19th century vessel - formerly the Royal Navy's HMS Pandora - sank as Americans raced to be first to North Pole.