In this photo taken by an individual not employed by the Associated Press and obtained by the AP outside of Iran, people are affected by tear gas fired by anti-riot Iranian police to disperse demonstrators in a protest over Iran&amp;#039;s weak economy, in Tehran, Iran, Saturday, Dec. 30, 2017. A wave of spontaneous protests over Iran&amp;#039;s weak economy swept into Tehran on Saturday, with college students and others chanting against the government just hours after hard-liners held their own rally in support of the Islamic Republic&amp;#039;s clerical establishment. (AP Photo)