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Possible evidence of Arafat poisoning is reported

Yasser Arafat, who died in 2004, was the Palestinian Authority leader.

Yasser Arafat, who died in 2004, was the Palestinian Authority leader.

RAMALLAH, West Bank — Swiss scientists have found evidence suggesting Yasser Arafat may have been poisoned with a radioactive substance, a TV station reported Wednesday, prompting new allegations by his widow that the Palestinian leader was the victim of a ‘‘shocking’’ crime.

Palestinian officials have long accused Israel of poisoning Arafat, a claim Israel has denied. Arafat died under mysterious circumstances at a French military hospital in 2004, a month after falling ill at his Israeli-besieged West Bank compound.

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The findings reported Wednesday appear to be the most significant so far in an inquiry into Arafat’s death initiated by his widow, Suha, and the satellite TV station Al-Jazeera.

Last year, Switzerland’s Institute of Radiation Physics discovered traces of polonium-210, a deadly radioactive isotope, on some of Arafat’s belongings. Soil and bone samples were subsequently taken from Arafat’s grave in the West Bank.

On Wednesday, the TV station published the Swiss team’s 108-page report on the soil and bone samples. The results ‘‘moderately support the proposition that the death was the consequence of poisoning with polonium-210,’’ the report said.

Repeated attempts to reach the main author, Patrice Mangin, or the Lausanne-based institute’s spokesman, Darcy Christen, were unsuccessful.

Experts not connected to the report said the results support the case that Arafat was poisoned, but do not prove it.

Suha Arafat told Al-Jazeera she was stunned and saddened by the findings.

She did not mention Israel, but suggested that a country with nuclear capability was involved in her husband’s death. ‘‘I can’t accuse anyone, but how many countries have an atomic reactor that can produce polonium?’’ she said.

Polonium can be a byproduct of the chemical processing of uranium, but usually is made artificially in a nuclear reactor or a particle accelerator. Israel has a nuclear research center and is widely believed to have a nuclear arsenal, but remains ambiguous about the subject.

Arafat’s widow demanded that a Palestinian committee that has been investigating her husband’s death now try to find ‘‘the real person who did it.’’

The committee also received a copy of the report, but declined comment.

The head of the committee, Tawfik Tirawi, said details would be presented at a news conference in two days, and that the Palestinian Authority, led by Arafat successor Mahmoud Abbas, would announce what it plans to do next.

An official in Abbas’ Fatah movement raised the possibility of taking the case to the International Criminal Court. ‘‘We will pursue this crime, the crime of the century,’’ said Abbas Zaki.

Raanan Gissin, who was an Israeli government spokesman when Arafat died, reiterated Wednesday that Israel had no role in his death.

‘‘It was a government decision not to touch Arafat at all,’’ he said, adding that ‘‘if anyone poisoned him, it could have been someone from his close circle.’’

Arafat died Nov. 11, 2004, a month after falling violently ill. French doctors said he died of a massive stroke and had suffered from a blood condition known as disseminated intravascular coagulation, or DIC. But the records were inconclusive about what led to the DIC, which has numerous possible causes, including infections and liver disease.

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