Seven were injured in Clashes that erupted between opponents and supporters of President Mohamed Morsi in Sharqiya on Monday leaving seen injured, Al-Ahram Arabic news website reported. The groups exchanged volleys of rocks after an opposition protester was injured by pellet shots. A Central Security Forces (CSF) officer suffered a head wound. It still vague who started the violence. There have been a series of clashes between anti- and pro-government protesters across Egypt in recent weeks. The Muslim Brotherhood's Freedom and Justice Party (FJP) announced on Facebook that it would be holding an open-ended sit-in alongside 20 other Islamist parties across Egypt from Friday under the slogan “legitimacy is a red line.”