NEW : All four kidnap victims were freed , Interior Ministry spokesman says . They were freed without the kidnappers ' demands being met , officials add . Comment: The area has seen a rash of kidnappings in recent months .
NEW : All four kidnap victims were freed , Interior Ministry spokesman says . They were freed without the kidnappers ' demands being met , officials add . Two Brazilians , their guide were taken in southern Sinai . The area has seen a rash of kidnappings in recent months .