Pakistan's military swiftly slammed the special court's ruling, saying in a statement that the armed forces were in "pain and anguish" over the decision.
Zardari arrested over investigation into bank accounts and money laundering, the country's anti-corruption body says.
UN blacklists leader of Jaish-e-Mohammad, based and proscribed in Pakistan, on its list of global terrorists as China lifts objections. India hails decision, but Pakistan says listing approved after Kashmir dispute was de-linked from the group.
Pakistan's army launched an operation in mid-2014 to wipe out militant bases in the tribal region that borders Afghanistan and to end the near decade-long insurgency that has cost thousands of lives.
Officials identified on-the-run Mohammed Imran as the suspected rapist and killer of Zainab Ansari, 7, whose killing sparked outrage across the country earlier this month.
The announcement that requires quick repatriation of 1.6 million refugees came after Afghan leaders hailed Donald Trump's tweet which blamed Islamabad for sheltering Taliban factions fighting US and Afghan soldiers in Afghanistan.
Kulbhushan Jadhav, the Indian naval officer sentenced to death in Pakistan, meets his wife and mother, more than a year after he was arrested in Pakistan's Balochistan province on espionage charges.
Former Prime Minister Sharif had requested a review of the ruling that disqualified him from holding office for concealing his assets.
Pakistan says that some 50 Afghan soldiers were killed in cross-border fire after days of fighting, but Afghanistan denies the claim.
Pakistan says Indian national Kulbushan Sudhir Jadhav confessed to organising espionage in the restive Balochistan province near the Iranian border. New Delhi denies the charge and has warned Islamabad against Jadhav's hanging.
Muslim cleric Hafiz Saeed founded a militant group blamed for the 2008 attack on Mumbai that killed 166. He is head of a charity listed as a terrorist organisation by the UN.
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