MASTUNG : Unknown miscreants attacked and set ablaze a NATO container here on Friday. Security sources said that unidentified motorcyclists sprayed bullets at Sibi-bound NATO container coming from Quetta in Sona Khan area of Ghundi, district Mastung . The attackers later set the container on fire by sprinkling petrol destroying it completely. The security forces cordoned off the area after the incident but the assailants managed to escape.