Two law enforcement personnel embraced martyrdom in a gun attack by militants in Mastung, reported 24NewsHD TV channel on Tuesday.
The attackers opened fire on a police mobile van and killed the two police personnel.
Earlier on Sunday, three soldiers were killed and five others injured in two separate terrorist attacks in Balochistan province, an army statement said.
One of the attacks took place in Quetta where militants attacked paramilitary troops Frontier Corps (FC) deployed on security duties. The attack left three soldiers killed and one injured.
In another terrorist activity in the Turbat area of Balochistan, terrorists targeted FC soldiers patrolling along the Pakistan-Iran border, leaving four of them injured.