Videos show protests on campus at Iranian universities

STORY: Security forces can be seen dispersing the protesters in Mashad.

In Tehran, protesters can bear heard chanting, "Don’t be afraid, we are all together" and "Down with the whole regime."

Iran has been gripped by unrest since the death of 22-year-old Kurdish Iranian woman Mahsa Amini in police custody on Sept 16., and is facing a three-day general strike movement which started on Monday (December 5).