Two naval personnel were killed and three others injured when militants attacked their vehicle in Pakistan's Balochistan province, the media reported.
The incident took place on Monday evening when four militants on two motorbikes ambushed the vehicle in Gwadar district's Jiwani city and opened fire, senior security officials told Dawn news.
One victim died on the spot while one succumbed to injuries in a hospital on Monday night.
Balochistan Chief Minister Sanaullah Zehri condemned the incident and said: "We will not bow down before the terrorists."
There has been no immediate claim of responsibility for the attack.