( CNN ) -- The attack comes after a series of recent strikes on vehicles carrying oil for NATO . A spokesman for the NATO-led coalition in Afghanistan said it was aware that an airstrike had hit a convoy transporting fuel to troops at Bagram Air Base and would investigate. The Pakistani Taliban claims responsibility for several previous attacks .
The attack comes after a series of recent strikes on vehicles carrying oil for NATO . A spokesman for the NATO-led coalition in Afghanistan said it was aware that an airstrike had hit a convoy transporting fuel to troops at Bagram Air Base and would investigate. The Pakistani Taliban claims responsibility for several previous attacks .