Former News of the World news editor Ian Edmondson is "currently unfit" and will play no further part in the phone-hacking trial, the jury at the Old Bailey has been told.
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Scientists have unveiled high-tech plans to preserve ancient sites in the Middle East at risk of destruction by the so-called Islamic State.
More is needed to help overcome poverty and inequality in New Orleans, 10 years after Hurricane Katrina devastated the area, Obama has said.
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