Yasser Arafat

Yasser Arafat

In this May 31, 2002 file photo, Palestinian leader Yasser Arafat pauses during the weekly Muslim Friday prayers in his headquarters in the West Bank city of Ramallah. Al-Jazeera is reporting that a team of Swiss scientists has found moderate evidence that longtime Palestinian leader Arafat died of poisoning. The Arab satellite channel published a copy of what it said was the scientists’ report on its website on Wednesday, Nov. 6, 2013.(AP Photo/Lefteris Pitarakis, File)

FILE – In this May 31, 2002 file photo, Palestinian leader Yasser Arafat pauses during the weekly Muslim Friday prayers in his headquarters in the West Bank city of Ramallah. Al-Jazeera is reporting that a team of Swiss scientists has found moderate evidence that longtime Palestinian leader Arafat died of poisoning. The Arab satellite channel published a copy of what it said was the scientists’ report on its website on Wednesday, Nov. 6, 2013.(AP Photo/Lefteris Pitarakis, File)