An Egyptian judicial official says a court has sentenced 78 minors to up to five years in prison over their participation in demonstrations.Alexandria Misdemeanor Juvenile Court issued its ruling Wednesday. A court official says the minors, between 13 and 17, faced several charges including blocking traffic, setting tires ablaze and sabotaging private properties. The sentences can be appealed.The official spoke on condition of anonymity because they were not authorized to speak to journalists.Supporters of Egypt's now-banned Muslim Brotherhood group staged near-daily demonstrations in the months that followed the military ouster of President Mohammed Morsi.Demonstrations often descended into violence. Authorities launched large crackdown against them, killing and arresting tens of thousands of people.