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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 PHOTO / STR        (Photo credit should read STR/AFP/Getty Images)
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 PHOTO / STR        (Photo credit should read STR/AFP/Getty Images)

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    Iran shaken by anti-government protests

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Iran shaken by anti-government protests

January 3 marks one week since anti-government protests erupted in Iran, where the death toll has climbed to at least 21. CNN's Nick Paton Walsh reports on the unrest in Iran.

Iran shaken by anti-government protests

January 3 marks one week since anti-government protests erupted in Iran, where the death toll has climbed to at least 21. CNN's Nick Paton Walsh reports on the unrest in Iran.