Video: 20 seconds of terror between missiles in Iran crash

In this photograph taken Saturday, Jan. 11, 2020, Iranian police officers take position while protesters gather in front of Amir Kabir University in Tehran, Iran, to remember victims of a Ukrainian airplane shot down by an Iranian missile. Online videos purported to show Monday, Jan. 13, 2020, that Iranian security forces fired both live ammunition and tear gas to disperse demonstrators protesting against the Islamic Republic's initial denial that it shot down a Ukrainian jetliner.