A Freedom of Information request has failed to find out how many people have lost their licence through drug-driving - because it was sent to the wrong place.
The request was sent to the Attorney General's chambers, asking how many people had been banned from the roads because they were over the cannabis limit.
But the query, which wanted figures for the past six years, was refused - with chambers saying they didn't have that information.
They did, however, suggest police might know.
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