Iran on Fire (Continuously updated)

The BBC says clashes between demonstrators and police in Tehran are the most violent in a decade.

Video below shows a human wave of demonstrators chasing frightened police officers.

Here is another video. These protests are huge.

Below are thousands of Iranians chanting not "Death to America" or "Death to Israel," but "Death to the Government."

Oppressive governments that face ferocious resistance in the streets often don't last very long. The Islamic Republic regime has been durable so far, and reports of its imminent demise have been premature, but there is only so much it can withstand.

A reader writes to Andrew Sullivan, who is doing an excellent job covering Iran this weekend.

Tehran almost looks like a war zone already. A heaving volcano, indeed.