YouTube video appearing to show street fighting between Iranian riot police and protesters in Tehran on December 27.
This YouTube video appears, around the 5-minute mark, to show a young man who is seriously injured with bystanders trying to resuscitate him. (WARNING: graphic scenes)
YouTube video of a police truck burning in the capital.
Some chants of "Death to Khamenei" at the beginning of this YouTube video.
YouTube video of violent clashes in central Tehran, including chants of "I'll kill those who killed my brother" targeting authorities.
YouTube video shows opposition supporters taking to the streets in the Iranian capital today to protest the disputed June election and the authorities' subsequent clampdown.
YouTube video labeled "Gunshot in College Crossroad" and dated December 27. There are chants of "I'll kill those who killed my brother" as the group carries what appears to be an injured individual.
One of the earliest videos to come out of Iran today, of burning debris in the streets of Tehran.