A NATO pipeline carrying jet fuel was punctured accidentally during renovation in Istanbul's Ataturk International Airport on Wednesday. Tons of jet fuel leaked to the D-100 highway in Sefakoy district after a NATO pipeline, which provides fuel to the airport, burst during maintenance work.Officials turned off the main valve to stop the leakage. Traffic was reduced to a single lane while a fire brigade crew was dispatched to the scene. An investigation into the incident had been launched.