EXCLUSIVE: Police warn tens of millions of pounds worth of drugs are being trafficked into Britain using the tactic - and are urging coastal communities to be on high alert.

Crime agency says there were more than 60 investigations into at-sea drop-offs last year with 34 people arrested

Operation also shed unique light on backgrounds of those involved in running drugs into UK from ‘mother ships’

EXCLUSIVE: Police warn tens of millions of pounds worth of drugs are being trafficked into Britain using the tactic - and are urging coastal communities to be on high alert.