But at an impromptu press conference, the Crown Prince was inundated with questions relating to off-track matters.

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In a press conference on Friday, Bahrain's Crown Prince Salman bin Hamad bin Isa Al Ahalifa expressed his reasoning behind the race going ahead.

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The Crown Prosecution Service has now decided there is insufficient evidence to press criminal charges.

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The Crown Prosecution Service said it did "not seek to uphold the convictions" of the men nor press for a retrial.

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