EconomyImran Khan ultimatum looms as Pakistan pushes for IMF deal
Experts say PM Sharif's longevity hinges on showing army he can stabilize economy
Ousted Pakistani Prime Minister Imran Khan, left, continues to apply pressure on his replacement, Shehbaz Sharif. (Source photos by Press Information Department and Reuters)
MIFRAH HAQ, Contributing writer
KARACHI -- An ultimatum from former Prime Minister Imran Khan to call fresh elections this week is hanging over Pakistan's coalition government as it works to secure a $900 million loan tranche from the International Monetary Fund and shore up critically low foreign reserves.