Egypt's Health Ministry said that clashes in four governorates over the past two days left one dead and 434 injured.
In Sharqiya alone, the number of people injured in clashes that occurred at the governorate's city council is 177, the state news agency reported a health ministry official as saying.
In Mansoura, one died and 250 were injured in clashes at the city's new security headquarters, head of the central administration of the critical and urgent care Khaled al-Khatib said.
Three were injured in Gharbiya's city council clashes and four others were injured in Monofeya in scuffles on Omar Effendi Street, Khatib added.
Of the 434 injured, 375 were released from hospitals after they had been treated for minor injuries. Fifty-six are still receiving treatment at several hospitals.