Fazlullah, 40, who took over in 2013 when his predecessor Hakimullah Mehsud was killed, was seriously injured in the air strikes, sources said.

Pakistan Army said at least 80 militants were killed and over 100 injured in ground and aerial offensive in Khyber tribal district over the weekend.

Security sources said Fazlullah might have been killed in the fierce fighting in which seven soldiers were also killed.

Khyber-Pakhtunkhwa Governor Mehtab Khan Abbasi on Monday said that the death of Fazlullah would be confirmed in coming days.

However, Taliban spokesman Mohammad Khorasani rejected the news about death of the Taliban chief.

"The reports concerning death of our chief are totally baseless," he denied in a statement.

With these conflicting reports, it is difficult to say with certainty about the fate of fugitive Taliban chief who has dodged death since 2009 when he broke through a cordon of security forces in Swat and fled to Afghanistan.

There have been reports of his death couple of times in the past but all such reports proved false.

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