According to initial media reports, senior Tehrik-i-Taliban Pakistan (TTP) leader Qari Hussain Mehsud has been killed in a drone strike on Friday.
Hussain was known to be a mentor and trainer of suicide bombers.
On September 3, he had threatened to launch attacks in the United States and Europe "very soon".
His spokesman had also taken credit for the bombings in Lahore that killed 33 people in Lahore in September.
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