The terrifying last moments of three men before a vicious bear attack was caught on camera.
Back in 2014, a rash of bear attacks in Russia left the country in mourning after three people were left dead and many more injured as record high temperatures, freak snow, hailstorms and flooding hit the country's far east and Siberia.
While human activity could be blamed for some of the attacks, experts cited by the news agency Interfax explained how the incidents could have been because the bears were hungry.
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They said that nets and obstacles prevented salmon from swimming up rivers to spawn, subsequently leaving the mammals without regular food supply.
The extreme weather seen nearly ten years ago may have also disrupted bears' biorhythms and food supply, said Vladimir Krever, then director of the biodiversity programme at WWF Russia.
Some of the attacks included one at 2am in the morning at a meteorological station in the forests of Sakha Republic.
This particular instance saw a bear beak down the door of a residential trailer and bite the arm of a woman inside.
Thankfully, the predator was ultimately scared away by the woman's loud screaming.
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Three days before that, a bear ambushed a young boy on Iturup island as he was walking home from his grandmother's house.
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The bear was said to have dragged the 14-year-old to the shore by the time local authorities arrived and shot him dead.
As a result of the attack, the boy had to have 170 stitches.
Perhaps the most shocking of the incidents was caught on camera, after three constriction workers were killed on Sakhalin island.
The moments before the vicious attack were filmed by one of the men's mobile phones.
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The footage sees the bears sitting from a distance to start with, as one appears to have a stand off with a dog.
Not long after one of the bears could be seen charging at the men.
And this is when the terrifying footage concludes.
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Another instance in Russia saw a man's mobile phone remarkably save his life as it suddenly activated and its tone scared the bear off.
Adult bears in Siberia and far-east Russia can grow to more the 590kg in size.
"The increase [in] number of extreme natural phenomena, hurricanes, storms, sudden heat or cold … can lead to a growth in conflict situations for people in nature, including with bears," Krever said back in 2014.
Topics: Nature, Russia, Animals