FOUR men armed with guns hijacked an oil tanker and shot dead the driver and his helper in Rosario, La Union.
Police said the victims, who were left on the roadside, were shot several times.
An investigation showed the suspects posing as uniformed personnel intercepted the oil tanker.
The armed men forced the victims out of the truck and shot the two repeatedly before fleeing with the oil tanker.
The oil tanker was recovered in Aguilar, Pangasinan.
One of the suspects was arrested in a follow-up operation in Sual, Pangasinan.

NEGROS COPS’ 1-DAY OPERATION NETS P55.8-M ILLICIT CIGARETTES
MOST WANTED FOR CHILD ABUSE IN TARLAC NABBED
2 PRO3 SENIOR OFFICERS GET HIGHER RANK
ILLEGAL GAMBLING CRACKDOWN JAILS 7 IN TARLAC
CL COPS ARREST 19, SEIZE P100-M ILLICIT CIGARETTES IN BULACAN
PRO12’S INTENSIFIED OPERATIONS SEND TO JAIL 7 DRUG TARGETS
INTERPOL ISSUES RED NOTICE VS ATONG ANG
ZALDY CO ARRESTED IN PRAGUE, CZECH REPUBLIC
CHIZ: USE 14B WINDFALL FROM VAT ON FUEL FOR AYUDA