PESHAWAR - Unknown armed miscreants Sunday attacked another Nato oil supplying tanker and set it on fire at Landi Kotal, Khyber Agency. The tanker was reduced to ashes, however, no human loss was reported. Besides this, the owners of all such containers have already been threatened by the militants not to supply logistic support to Nato and US forces in Afghanistan. The militants have demolished over 270 vehicles during the last couple of weeks.