People attend a protest against the killing of top Iranian commander Qasem Soleimani in Tehran, Iran, on Jan. 3, 2020. An attack near Baghdad International Airport on Friday has killed top Iranian commander Qasem Soleimani, and Abu Mahdi al-Muhamdis, deputy top leader of Iraq's paramilitary Hashd Shaabi forces. (Photo by Ahmad Halabisaz/Xinhua)