Injury and incidents related to alcohol is costing the economy £9 million in Ambulance call-outs.
The figures, from a collaborative study between Newcastle University, the North East Ambulance Service (NEAS) and the North East Alcohol Office (BALANCE), showed that a total of 31,000 call outs last year were alcohol related - equating to one in ten.
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Robert Hodgson, from Stanley, County Durham, committed the offences on the girls, aged as young as five or six, up to the age of 13.