(Euronews: 0930 PST, February 14, 2011) The opposition has taken to the streets of Tehran, Isfahan, Shiraz, Tabriz, and Kermanshah in Iran in defiance of a government ban. Marching silently at first, thousands of people have answered the call of their leaders Mirhossien Moussavi and Mehdi Karroubi to show their support for the popular uprisings in Tunisia and Egypt.