VIJAYAWADA: The illegal transportation of liquor from neighbouring Telangana State continues unabated despite police strengthening forces at all border check-posts in the district. Krishna police on Friday arrested four persons and seized 82 liquor bottles from their possession. In a special drive conducted across all the villages sharing borders with Telangana, officials have seized liquor worth `15 lakh and booked 300 persons under relevant sections of IPC and Excise Act so far.