(CNN) -- A close aide to Pakistan's Taliban chief Baitullah Mehsud said he is breaking ties with him and confirmed reports that Mehsud was behind the assassination of former Prime Minister Benazir Bhutto.



Former Pakistan Prime Minister Benazir Bhutto was assassinated in December 2007 at a campaign rally.



Qari Turkestan Bhitaini, a self-proclaimed right-hand man of Mehsud, said Mehsud was behind the December 27, 2007, assassination of Bhutto, Pakistan's Express TV reported.



Bhitaini said he is breaking ties with Mehsud because he blames the Taliban chief for killing scores of innocent Muslims in recent attacks in Lahore.



The Pakistani government and CIA officials have said in the past that Mehsud was responsible for Bhutto's death.



Bhutto, 54, was heading the opposition to then-President Pervez Musharraf when she was assassinated during a campaign rally in Rawalpindi ahead of parliamentary elections.



The Pakistani government, who has struggled to control terrorism, is waging a military offensive against the Taliban in the country's North West Frontier Province.
When was Bhutto assasinated? When was Bhutto assassinated? What did the former aide blame him for Who is the Taliban chief? Who made allegations? Who was responsible for Benazir Bhutto's slaying? Who was assassinated in December 2007 at campaign rally?
December 2007 December 2007 killing scores of innocent Muslims in recent attacks in Lahore. Baitullah Mehsud Qari Turkestan Bhitaini, Baitullah Mehsud Pakistan Prime Minister Benazir Bhutto
question: When was Bhutto assasinated?, answer: December 2007 | question: When was Bhutto assassinated?, answer: December 2007 | question: What did the former aide blame him for, answer: killing scores of innocent Muslims in recent attacks in Lahore. | question: Who is the Taliban chief?, answer: Baitullah Mehsud | question: Who made allegations?, answer: Qari Turkestan Bhitaini, | question: Who was responsible for Benazir Bhutto's slaying?, answer: Baitullah Mehsud | question: Who was assassinated in December 2007 at campaign rally?, answer: Pakistan Prime Minister Benazir Bhutto