BBC News
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image captionProf Young, now NI's chief scientific adviser, was asked to provide an assessment in 2004
NI's chief scientific adviser has lost a High Court bid to block a General Medical Council (GMC) investigation of allegations he failed to tell the family of a nine-year-old girl who died about "failings" in her treatment.
Claire Roberts died from hyponatraemia, which is linked to a shortage of sodium in the blood, in 1996.
Professor Ian Young challenged the investigation into his actions.
On Tuesday, the High Court in London dismissed Prof Young's challenge.
In a statement following the ruling Prof Young's legal representative said he was "disappointed" with the decision.