NEW : Egypt may issue a state of emergency if the unrest continues , a minister says . At least 30 people are killed in clashes near a Port Said prison , officials tell state news . The violence erupts after 21 are sentenced to death for their part in a deadly soccer riot . Score: 6
NEW : Egypt may issue a state of emergency if the unrest continues , a minister says . At least 30 people are killed in clashes near a Port Said prison , officials tell state news . The violence erupts after 21 are sentenced to death for their part in a deadly soccer riot . Political unrest has also played a role in a recent violence , including seven deaths Friday .