HuffPo contributor Josh Shahryar has been a reliable source:
Status Update15: Rumors of Zahra Rahnavard attending protests in Tehran - can't be confirmed
Status Update14: No major reformist leader was present during the protests.
Status Update13: Clashes in Shiraz and Hamedan - many injuries in Hamedan
Status Update11: Outside Tehran, number of protesters in most cities in the hundreds and not more.
Status Update6: Number of protesters in Tehran between 5,000-10,000
Status Update2: Confirmed Protests in Tehran, Mashhad, Shiraz, Isfahan, Kerman, Kermanshah, Arak
ABC News' Lara Setrakian adds:
Speaking to students sunday, Rafsanjani called for a 'climate of freedom' in #Iran, accusing leadership of intolerance
Opposition supporters say yesterday's Rafsanjani speech was 'very, very important timing' ahead today's student rallies
I'm stuck at the Talegani and Valiasr crossroads. The police and the Basij (the Iranian citizen militia) have closed both sides. The Basij are beating people with batons. There are a lot of people, certainly more than on previous student days.
They're coming! [She's starts running].
There are people at the Enghelab [Revolution] Square.
And there are clashes at the Talegani and Valiasr crossroads.
They're arresting a lot of people and leading them away, but people are trying to rescue them.
We've just stopped a Basiji and stolen his motorbike near to Enghelab square."