Shiite Muslims march to protest against the US strike that killed Iranian commander Qasem Soleimani in Iraq, during a demonstration in Karachi on January 5, 2020. - A US drone strike killed top Iranian commander Qasem Soleimani at Baghdad's international airport on January 3, dramatically heightening regional tensions and prompting arch enemy Tehran to vow "revenge". (Photo by Rizwan TABASSUM / AFP)