US officials believe that the intelligence agency of ally Pakistan has been secretly supporting the Taliban in the group's conflict with US-led Nato troops in Afghanistan, leaked records say.
Wikileaks, the online whistleblower organisation, published more than 90,000 secret US military documents on Sunday, revealing alleged support for the Taliban.
The unverified files say that Pakistan's Inter-Services Intelligence (ISI) agency, the country's spy service, has been holding strategy sessions with Taliban leaders to aid them.
Al Jazeera interviewed one of the men specifically mentioned in the reports - retired Lieutenant General Hamid Gul, who has been accused of being actively involved in supporting the Afghan Taliban.
He denied the allegations and said the sources of the "flawed" leaks had ulterior political motives.
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