Sharif, who was earlier involved in talks with India when the Kargil crisis erupted, also sought a probe into the 1999 conflict with India.
The former Prime Minister, who is the chief of main opposition PML-N party, is currently on a three-day visit to southern Sindh province where he made the remarks during an interaction with the media in Karachi on Monday.
He called on the government to also conduct an inquiry into the 2006 killing of Baloch leader Nawab Akbar Bugti in a military operation and the carnage in Karachi on May 12, 2007 that killed over 40 people who tried to rally in support of then-deposed Supreme Court Chief Justice Iftikhar Chaudhry.
Sharif, whose government was deposed in a military coup led by former President Pervez Musharraf in 1999,
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