Clashes that broke out Saturday between Muslims and Christians in Cairo left 51 people injured, AFP reported Sunday quoting the Egyptian Health Ministry. The people were wounded during a Coptic Christian sit-in protest against sectarian violence."Most of the wounded suffer from fractures and bruises," AFP quoted health ministry official Ayman Ragab as saying.The clashes errupted Saturday after a run-in between young Muslims and Coptic Christians who have been staging a sit-in outside the Egyptian state television building in Cairo after sectarian unrest last week left 15 people dead, according to local police.