Unidentified miscreants blew up a NATO oil tanker near western by-pass in Quetta, a private TV reported on Friday. Police said that a Nato oil tanker bound for Afghanistan from Karachi reached Akhtar Abad this morning. The driver pulled up the tanker at a patrol pump when after a while the tanker exploded with a loud bang, making the oil spill out. Police rounded suspects who were trying to escape from the scene and started investigation.