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Last Updated: Wednesday, 6 June 2007, 22:27 GMT 23:27 UK
Iceman 'bled to death on glacier'
By Paul Rincon
Science reporter, BBC News

Oetzi, University of Zurich
Experts are certain Oetzi died from an arrow that pierced his shoulder
Massive blood loss from a ruptured artery killed the 5,300-year-old Alpine "Iceman" known as Oetzi, tests confirm.

A Swiss-Italian team says the arrow that struck him in the left shoulder slit the artery under his collar bone.

Oetzi probably died as the result of a fight: he may either have fled his attacker - who then shot him in the back - or been ambushed.

The remains of the Neolithic man were discovered in 1991 emerging from a melting glacier.

They have since been subjected to a long series of investigations, with the latest results being published in the Journal of Archaeological Science.

He would not have walked around for days. It was a quick death
Dr Frank Ruhli, University of Zurich
Examination of food - and perhaps more importantly - tree pollen in his stomach has established that Oetzi started his day with a meal in a wooded valley below the Alps.

But later the same day, he was involved in a fight. This assessment is based on the presence of a flint arrowhead lodged in his back and extensive cuts to his hands.

No one can be sure whether this attack took place in the valley below, prompting Oetzi to flee up the mountain; or whether he was involved in a violent scrap at the 3,210m (10,500ft) altitude where his body was discovered on the border between Austria and Italy 16 years ago.

Cold case

Recent advances in computerised tomography (CT), a sophisticated X-ray scan that allows multidimensional imaging, have given researchers an unprecedented view of Oetzi's internal anatomy.

The pictures reveal a 13mm-long rip in Oetzi's left subclavian artery which lies just under the collar bone.

Blood poured out into the surrounding tissue, forming a haematoma that can be seen in the breast cavity.

"We can conclude that this was really a deadly hit from the arrowhead," Dr Ruhli told the BBC News website. "He would not have walked around for days. It was a quick death."

Even today, people with this type of injury have only a 40% chance of survival.

"Theoretically, you could have been hit by an arrow and survive. If it doesn't hit an artery or the lung, and you don't get an infection it shouldn't be a problem," said Dr Ruhli.

Clotted blood also entered the hole caused by the arrow's wooden shaft, showing that it was broken off while Oetzi was still alive and therefore still bleeding.

Oetzi climbed up to the Schnalstal Glacier and died from cardiac arrest, brought on by shock, after sustaining massive blood loss, the science team says.

Professor Horst Seidler, from the Institute for Anthropology in Vienna, Austria, called the evidence in the paper "convincing".

Cover up?

Dr Ruhli speculated that it was possible the Iceman removed the shaft himself.

Alternatively, it could have been removed by an ally who tried in vain to help him, or perhaps by the attacker - if his arrows had a characteristic shaft - to try to cover up evidence linking him to the killing.

Reconstruction of arrowhead (BBC)
Scientists have modelled the arrowhead embedded in his back
The University of Zurich researcher said the speed with which Oetzi would have died following his injury made it seem more likely he was shot on the glacier, rather than in the valley below where he started his journey.

But Dr Ruhli added, "this is speculation, because someone might have helped him up there. I'd rather stick to the facts".

It is impossible to tell whether Oetzi was hit while he was walking, running, or stationary. But it seems the arrow was shot from below Oetzi, suggesting the killer was either kneeling or further down a hill.

The arrow hit with some considerable power, penetrating the Iceman's shoulder blade.

Oetzi represents one of the great archaeological finds of recent years. He takes his name from the Oetz Valley where he was found - still wearing goatskin leggings and a grass cape.

His copper-headed axe and a quiver full of arrows were lying nearby.

At first, it was thought he died from cold and hunger, but researchers were eventually able to establish that he died from injuries sustained in a conflict.

Oetzi was about 159cm tall (5ft, 2.5in), 46 years old, arthritic, and infested with whipworm.

Scientists solve iceman mystery
26 Jul 01 |  Sci/Tech
Iceman's final meal
16 Sep 02 |  Sci/Tech
Iceman's final battle
20 Mar 02 |  Sci/Tech
Image of Stone Age death
07 Feb 02 |  Sci/Tech

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