Administrators of around 47 Facebook pages have been arrested by Egyptian security forces who are allegedly run by the outlawed Muslim Brotherhood.
The move comes just ahead of the fifth anniversary of 2011 uprising.
"The administrators of these pages were arrested on charges of inciting against state institutions and spreading the ideas of the Muslim Brotherhood as well as calling for marches on the coming January 25," Interior Ministry spokesman Abu Bakr Abdel Karim said in a telephone interview with an Egyptian talk show.
The Egyptian Revolution of 2011 began on 25 January 2011 and was part of the Arab Spring. It consisted of demonstrations, marches, occupations of plazas, riots, non-violent civil resistance, acts of civil disobedience and strikes. The popular revolt that ended Hosni Mubarak's 30-year rule many of which were planned by youth activists on Facebook and other social media platforms.