The government-ordered clampdown is taking place under the guise of combating trouble-makers and mal-veilers.
Click below to watch a film showing the police brutality in Iran.
The clip which was aired on Simaye Azadi was captured by a bystander using a mobile phone and smuggled out of Iran. Simaye Azadi said it obtained the video from supporters of the Peoples Mojahedin (MeK).
The nationwide clampdown began in April. Some images of the crackdown have been aired daily on state television in what numerous Iran analysts believe is to spread fear in society. So far neither the European Union nor the United States have expressed condemnation of the government-orchestrated crackdown.