Canada 'encouraged' by peaceful protests in Iran   CTV News Channel: Social unrest in Iran   Middle East analyst Holly Dagres says the Iranian gov't has been known to slow down internet and shut down social media during protests. Two protesters killed in Iran   Access to a few social media platforms was blocked in Iran after at least two protesters were killed while taking part in demonstrations. CTV National News: Iran responds to protests   After days of protests, the Iranian gov’t responded with brutal force to the thousands denouncing the state. Mercedes Stephenson reports. 1 2 456 456 Daniel Otis ,  CTVNews.ca Writer @dsotis Published Saturday, December 30, 2017 6:37PM EST  Last Updated Saturday, December 30, 2017 7:36PM EST The Canadian government has ex...