NEW : Yasser Arafat 's widow says she does n't want to accuse . Former the Palestine Liberation Organization 's leader Arafat 's body is exhumed . Nasser al-Kidwa , who was the Palestinian observer to the United Nations , said toxicology tests showed `` no known poison '' -- though he refused to exclude the possibility that poison caused his uncle 's death . Paris says it had nothing to do with his death . Israeli officials want to know if Arafat was poisoned with radioactive element .
NEW : Yasser Arafat 's widow says she does n't want to accuse . Former the Palestine Liberation Organization 's leader Arafat 's body is exhumed . Paris says it had nothing to do with his death . Israeli officials want to know if Arafat was poisoned with radioactive element .