NEW : All four kidnapping victims were released , Interior Ministry officials said . The whereabouts of the officer had been unclear . They were freed without the kidnappers ' demands being met , officials add . The children , their parents were taken in southern Sinai . The area has seen a rash of kidnappings in recent years .
NEW : All four kidnapping victims were released , Interior Ministry officials said . They were freed without the kidnappers ' demands being met , officials add . The children , their parents were taken in southern Sinai . The area has seen a rash of kidnappings in recent years .