around two tonnes of cocaine is likely to be worth hundreds of millions of pounds , that it said in a statement it tipped off british authorities ` to board a tug 100 kilometres -lrb- 60 miles -rrb- east of the aberdeenshire coast .
men aged between 26 and 63 , were detained for questioning by investigators from the national crime agency 's border policing command , and later charged with drug trafficking offences .