Hundreds of people, including some opposition leaders, gathered in Tehran's Behest Zahra Cemetery to mark the 40th day since the death of Neda Agha Soltan and remember other victims of the postelection unrest at Neda's grave.
Presidential candidate Mir Hossein Musavi was in attendance, though police later forced him to leave and began arresting demonstrators.
In this video, mourners chant: "Don't be afraid, we're all together. Don't be afraid, we're all together"; "Ya Hossein, Mir Hossein. Ya Hossein, Mir Hossein. Ya Hossein, Mir Hossein"; and "Death to the dictator":
Another video from the cemetery:
This video (poor quality) offers a glimpse of opposition leader Mehdi Karrubi in attendance:
This video shows riot police confronting young protesters at Vanak Square after the gather in the cemetery: