(CNN) The United Nations is looking into claims that ISIS -- already considered the wealthiest terrorist group on record -- may be harvesting organs from slain civilians and gaining financial benefits by trafficking the body parts, officials said Wednesday.
But Britain's ambassador to the U.N., Mark Lyall Grant, said the issue has not been officially discussed. Grant said there was no proof or evidence of the claim made by Iraq's ambassador to the United Nations.
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The Iraqi ambassador, Mohamed Alhakim, on Tuesday urged the Security Council to investigate the deaths of 12 doctors in Mosul, Iraq. He said they were killed after refusing to remove organs from bodies.