Friday saw various protests staged by supports of ousted President Mohamed Morsy throughout Egypt.
Morsy supporters clashed with pro-army elements in Talbiya, Haram, Giza after demonstrators chanted slogans against the army and police.
Security forces tried to separate both sides of the encounters with tear gas after both sides threw rocks and bottles at each other.
Store owners closed fearing potential damage.
In Cairo’s Alf Maskan neighborhood, Brotherhood supporters clashed with security after trying to block traffic and pelting forces with stones. Security responded with water cannons and tear gas.
In Matrouh, security chief Anany Hammouda said three Muslim Brotherhood loyalists were reportedly caught with Molotov cocktails which, police said, were being prepared for use during demonstrations after Friday prayers.
The National Alliance to Support Legitimacy, the largest political group supporting deposed president Mohamed Morsy and demanding his reinstatement, had called for mass protests Friday to denounce the interim authorities.
Twelve Brotherhood loyalists were also arrested in Shebin al-Kom, Monufiya, during a demonstration outside the town’s central hospital.
Edited translation from MENA