"The Islamic emirate (of Afghanistan) once again informs all the people that no one should participate in this American process and should boycott the process," said a Taliban statement emailed to the media.
"The mujahideen are fully prepared to defeat this process," it said, adding: "Anyone who participates and gets hurt will be responsible for their own losses."
Afghanistan's fraud-tainted first-round presidential election on August 20 was hit by a vicious Taliban campaign that has been blamed for keeping turnout below 40 per cent.
Source: The Australian