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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The 24-year-old was charged with 14 counts of wounding with intent to do grievous bodily harm and one count of throwing a corrosive fluid.
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Protesters angry that far-right leader Marine Le Pen is advancing the French presidential runoff are scuffling with police in Paris.