Clashes between demonstrators and police have also erupted in the cities of Suez and Alexandria.
By Sunday noon,
monster beats, Tahrir Square has been fully occupied,
dr dre beats, with demonstrators barricaded the streets around the square and blocking traffic.
Eighteen people were then arrested and transferred to a military prosecutor,
monster beats studio pro, Mahmoud Alaa Interior Ministry said,
dre beats monster, before the surge of security in the square which was the heart of the symbolic Revolution in Egypt at the beginning of the year.