South Korean man arrested over re-tweets of `` funny '' North Korean tweets . Score: 6 23-year-old is accused of spreading North Korea propaganda . Amnesty says the law is being used to stifle freedom of speech .
South Korean man arrested over re-tweets of `` funny '' North Korean tweets . Park Jung-geun also tweeted an image of himself with the North Korean flag . 23-year-old is accused of spreading North Korea propaganda . Amnesty says the law is being used to stifle freedom of speech .