Up to 3,000 reinforcements had to be brought in from other parts of the country, NCRI reports.
Reports from Tabriz indicate that dozens of banks and government buildings have been attacked and their windows shattered by young people in total defiance of the repressive measures enforced in the city.
In one incident a woman protesting against the regime was attacked and badly beaten up by the suppressive forces before the eyes of her husband and passers-by. The government forces are taking away mobile phones with cameras in a bid to stop reports and photos leak out. Even so some pictures have been sent out with great risks.