Khan was ousted from office by a no confidence vote last year, and has been snarled in a series of legal cases as he campaigns for early elections and his return to office.
Police hit Khan supporters in baton charges and lobbed tear gas canisters, some of which landed on the lawns of Khan's house, according to video images released by his party.
Saqib Nisar expressed his criticism of Maryam Nawaz making personal attacks against the judges during her rallies in an interview with a private media channel.
The rapprochement between Saudi Arabia and Iran has a spill-over impact on ending the conflicts in Yemen and Syria particularly and the Shiite-Sunni conflict in the Muslim world in general.
The battle for Bakhmut has become the focus of Russia's winter campaign to capture Ukraine's eastern region, with both sides describing it as Europe's bloodiest infantry battle since World War Two.
Iran has worked to strengthen its economic connections with other nations in the region, particularly China and India, both of which are significant purchasers of Iranian oil.