Mullah Manan Akhund, the younger brother of late Taliban leader Mullah Omar and the group’s deputy leader, was among the officials to participate in the talks.
A total of six Taliban officials or commanders — two in each Afghanistan and Qatar, and one in each Pakistan and the United Arab Emirates — confirmed the meetings to NBC News. Two of the sources said they themselves had attended in the talks.
All spoke on condition of anonymity because they are not authorized to speak to the media.
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State Department Deputy Spokesperson Mark Toner would not comment specifically on the report, although he said the U.S. was "committed to promoting a negotiated settlement to end the Afghan conflict."
"As a general rule, we do not comment on our diplomatic contacts on this subject. A peace accord is the only pathway to ensuring peace and stability in Afghanistan, and we have long supported an Afghan-led, Afghan-owned process for a negotiated resolution of the conflict."
The Taliban’s spokesman, Zabihullah Mujahid, denied the meetings had taken place, calling the reports “propaganda launched by their enemy to create divisions.”
The Taliban often denies reports and delays news releases, most notably when they announced the passing of the group’s founder Mullah Omar three years after his actual death.
Afghan officials were not immediately available for comment.
Similar secret talks brokered by Pakistan failed after Taliban leader Mullah Akhtar Mansour was killed in a U.S. drone strike in in May.