The clashes between protesters and security forces left at least eight people dead and hundreds injured.
The first video, from Tehran, appears to show a car belonging to the security forces running over a protester. (Warning: Graphic content)
The second video, also from Tehran, shows a crowd of peaceful protesters coming under attack by security forces.
RFE/RL cannot vouch for the authenticity of these videos but is posting them in the interest of those who are trying to stay informed despite official bans on media access to these events.
-- Golnaz Esfandiari