Top Iranian opposition leaders call for August protest , opposition Web site reports . They called for people to take to the streets to demand their rights back as citizens of Ashura . `` The widespread arrests of political activists and university students , the silencing of the media , and the forced confessions of prisoners are against the principles of Islam and the constitution of Iran , '' the leaders said in a statement . Mir Hossein Moussavi and Mehdi Karroubi also met to discuss last week 's executions . The two executions followed mass trials of opposition supporters in February 11 .
Top Iranian opposition leaders call for August protest , opposition Web site reports . They called for people to take to the streets to demand their rights back as citizens of Ashura . Mir Hossein Moussavi and Mehdi Karroubi also met to discuss last week 's executions . The two executions followed mass trials of opposition supporters in February 11 .