Naval forces of the Nicaraguan army seized 1 1/2 tons of cocaine and killed four drug traffickers, two of them Colombians, during an operation in the country’s northern Caribbean region, military officials said Saturday.

A spokesman for the Nicaraguan army, Juan Ramon Morales, told Efe that the troops carried out the operation Friday at 45.3 kilometers (28 miles) from Bilwi in the North Atlantic Autonomous Region, or RAAN.

He said that troops of the naval force pursued and killed four drug traffickers including two unidentified Colombians and the Nicaraguans Kyrf Fernandez Evans and Johnny Chow Kingsman, who were identified by their wives.