ISLAMABAD, Jan. 16 (Xinhua) -- At least five security personnel were killed and six others injured in a gun attack in 's southwest province of Balochistan on Monday evening, local media reported.

According to the reports, some unknown gunmen opened fire at a vehicle carrying security personnel in Shapok area of Turbat, a district in Balochistan.

Following the ambush, the driver could not keep control over the vehicle and it overturned and skidded off the road.

The injured were rushed to the hospital in Turbat city. However, there are no reports about their condition yet.

Security forces have cordoned off the area and started a search operation to arrest the attackers.

No group claimed the attack yet.

Ethnic violence has claimed thousands of lives in the province. Militants belonging to nationalist groups have been killing and kidnapping government officials and pro-government elders in the province.