In this photo taken by an individual not employed by the Associated Press and obtained by the AP outside Iran, demonstrators gather to protest against Iran's weak economy, in Tehran, Iran, Saturday, Dec. 30, 2017. A wave of spontaneous protests over Iran'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's clerical establishment. (AP)
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's weak economy, in Tehran, Iran, Saturday, Dec. 30, 2017. A wave of spontaneous protests over Iran'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's clerical establishment. (AP)
Iranian students protest at the University of Tehran during a demonstration driven by anger over economic problems, in the capital Tehran on December 30, 2017.
Students protested in a third day of demonstrations sparked by anger over Iran's economic problems, videos on social media showed, but were outnumbered by counter-demonstrators. (AFP)
An Iranian woman raises her fist amid the smoke of tear gas at the University of Tehran during a protest driven by anger over economic problems, in the capital Tehran on December 30, 2017.
Students protested in a third day of demonstrations sparked by anger over Iran's economic problems, videos on social media showed, but were outnumbered by counter-demonstrators. (AFP)
Iranians chant slogans as they march in support of the government near the Imam Khomeini grand mosque in the capital Tehran on December 30, 2017.
Tens of thousands of regime supporters marched in cities across Iran in a show of strength for the regime after two days of angry protests directed against the country's religious rulers. (AFP)
Iranians gather in support of the government at the Imam Khomeini grand mosque in the capital Tehran on December 30, 2017.
Tens of thousands of regime supporters marched in cities across Iran in a show of strength for the regime after two days of angry protests directed against the country's religious rulers. (AFP)
Iranians chant slogans as they march in support of the government near the Imam Khomeini grand mosque in the capital Tehran on December 30, 2017.
Tens of thousands of regime supporters marched in cities across Iran in a show of strength for the regime after two days of angry protests directed against the country's religious rulers (AFP)
Iranians chant slogans as they march in support of the government near the Imam Khomeini grand mosque in the capital Tehran on December 30, 2017.
Tens of thousands of regime supporters marched in cities across Iran in a show of strength for the regime after two days of angry protests directed against the country's religious rulers. (AFP)
In this photo taken by an individual not employed by the Associated Press and obtained by the AP outside Iran, university students attend a protest inside Tehran University while anti-riot Iranian police prevent them to join other protestors, in Tehran, Iran, Saturday, Dec. 30, 2017. A wave of spontaneous protests over Iran'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's clerical establishment. (AP)