Chaos Caught on Camera, Unravelling Underwater

A climber loses his footing on a 300-meter ascent. A deadly tornado hits Illinois, and a boulder tumbles towards unsuspecting traffic.

A rescue team tries to save a man trapped underwater for three days. An explosion rocks a Russian city, and a daredevil tackles a perilous ski run.

A construction worker takes a potentially lethal leap. A botched rescue attempt leaves a dozen people in icy water, and a fertiliser plant explodes.

A paraglider in the Himalayas collides with a griffon vulture mid-flight. A Russian rocket launch goes wrong, and an elephant attacks a couple on safari.

A man attempts to rescue a family trapped by a flash flood. An unstoppable wall of lake ice ploughs through a community, and a tiger protects her cubs.

A grandmother is left hanging on for her life when a skydive goes wrong. An avalanche buries a skier, and a couple are caught in a raging inferno.

A volcanic eruption engulfs Japan's Mount Ontake. A snowmobile takes a terrifying tumble, and a 73-year-old hang glider faces a perilous situation.

A factory worker narrowly escapes a collapsing building. A plane crashes into shark infested waters, and a pregnant woman can't make it to hospital on time.

Passengers are trapped on a bus that is rapidly filling with boiling water. Six tourists escape a collapsing iceberg, and a kayaker gets stuck inside a waterfall.

A train carrying toxic materials crashes into a trapped truck. Unsuspecting tourists capture a fatal tsunami, and a plane suffers engine failure.