The Obama administration is questioning the claim made by the Islamic State organization, that an American held hostage was killed in a Jordanian airstrike.
The White House says it is deeply concerned by the reports that one-time aid worker Kayla Mueller when the building she was being held in collapsed.
At an event with academics in Washington, National Security Adviser Susan Rice said the U.S. is investigating the claims.
IN: "We're obviously...
OUT: ...at hand."
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National Security Adviser Susan Rice says the Obama administration is reviewing its policy on hostages, but one segement will remain unchanged.
IN: "We have...
OUT: ....hostage-taking."
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