Shehbaz Sharif, the brother of Nawaz Sharif, on Sunday became Pakistan's prime minister as lawmakers elected him with 201 votes amid protests in parliament.
Sunni Ittehad Council party backed by Imran Khan alleges that the Feb 8 national election was rigged against them and has called for an audit of the polls.
Imran Khan's confirmation came after PTI senator Zafar said that the party founder had decided to write to IMF urging it to call for an audit of the Feb 8 poll.