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.