The International Red Cross on Thursday urged Hamas to provide proof that abducted Israel Defense Forces soldier Gilad Shalit is still alive, a request which the Islamist group quickly dismissed.
Hamas spokesman Sami Abu Zuhri told Reuters in Gaza "The Red Cross should not get involved in Israeli security games aimed at reaching Shalit. It should take a stand that results in ending the suffering of Palestinian prisoners."
Senior ICRC officials say their message was transmitted privately to the militant Islamist group in the Strip several weeks ago.
In an unusual public appeal earlier on Thursday, the independent aid agency said Shalit's family had a right under international humanitarian law to be in contact with their 24-year-old son, held incommunicado since his capture on June 25, 2006.
"Because there has been no sign of life from Mr. Shalit for almost two years, the ICRC is now demanding that Hamas prove that he is alive," the Geneva-based International Committee of the Red Cross (ICRC) said.
The ICRC also reiterated its long-standing request to visit Shalit in custody.
Hamas-led gunmen tunneled from Gaza into Israel to seize Shalit, who has been held at an unknown location in Gaza ever since. The last sign of life was a videotape released by his captors in September 2009 showing Shalit, pale and thin, pleading for his life.
"The total absence of information concerning Mr. Shalit is completely unacceptable," ICRC Director-General Yves Daccord said in a statement.
"We don't know anything about his conditions of detention. But from information available to us we have serious concerns about his fate," Jean-Pierre Schaerer, head of the ICRC delegation in Israel and the occupied territories, told Reuters.
"He is completely isolated."
The ICRC stands ready to facilitate an exchange of prisoners if Israel and Hamas come to an agreement in their ongoing negotiations, according to Schaerer.
But he added: "There is no reciprocity between the situation of Gilad Shalit and people detained by Israel. Both sides have obligations, independent of what the other side is doing."
Shalit is not considered a prisoner of war, as he was seized by an armed group rather than by forces of a state that has ratified the Third Geneva Convention. However, like all other detainees captured in conflict, he is entitled to humane treatment under the Geneva Conventions, according to the ICRC.
"Hamas has an obligation under international humanitarian law to protect Mr. Shalit's life, to treat him humanely and to let him have contact with his family," Daccord said.
Shalit's parents Noam and Aviva have said they will spend Friday, the fifth anniversary of his capture, in a tent plastered with signs urging Israeli leaders to bring their son home.
They have led a campaign to press Prime Minister Benjamin Netanyahu to agree to a prisoner swap with Hamas.
Netanyahu has said he is committed to seeking Shalit's release. But his rightist government balks at meeting Hamas' demands to free hundreds of prisoners, among them men convicted of lethal attacks, calling it too great a security risk.
In a separate statement issued on Thursday, the ICRC also urged Israel to allow relatives of Palestinian detainees from Gaza to visit them in custody in Israel.
Israel suspended visits in June 2007 in a move which the ICRC said contravened international humanitarian law and had prevented more than 700 families from seeing their detained relatives over the past four years.
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