The number of firearms seized at Stadium East in St. Andrew since Sunday has increased to eight.
A man has been arrested following a cocaine seizure in Drumblair, St. Andrew.
Murders in Jamaica have risen by 15.5 per cent when compared to the first 23 days in January last year.
Read more: Bloody January - Murders up 15.5 per cent over last year
A major investigation is ongoing following the seizure of 20 handguns and 40 magazines on Friday afternoon at the cargo section of Sangster International Airport in Montego Bay, St. James.
Senior Superintendent Wayne Cameron, head of the Ports Division, said that the weapons were seized about 3:30 p.m.
It is understood that a customs broker is being questioned in connection with the shipment.
The police carried out a deep search of the cargo area at Sangster International.
Senior Superintendent Stephanie Lindsay, head of the Jamaica Constabulary Force's Corporate Communications Unit, says the 20 firearms are 9 millimetre pistols.
Barbados Prime Minister Mia Mottley was sworn in for a second term Thursday after her party appeared to have swept every legislative seat in the first elections the island nation held as a republic since casting off the British monarchy.