Protests, which began on 11 September, were provoked by a crude film which insulted the Prophet Muhammad and portrayed Muslims as violent and immoral
Violent clashes broke between Central Security Forces (CSF) protecting the United States embassy in Garden City and protesters enraged the anti-Islamic film.
State-owned MENA news agency reported 23 protesters were arrested between Wednesday and Thursday afternoon and that 24 CSF officers were injured. Most of the arrested protesters were taken from Omar Makram mosque during Fajr prayers on Thursday and taken to Abdeen court, according to human rights lawyer Ahmed Helmy’s Twitter account
For more details, please read http://thedailynewsegypt.com/2012/09/13/further-violent-protests-against-anti-muslim-film/