The 66-year-old editor of the daily al-Ayyam, Hisham Bashraheel, was arrested on January 6, the day after the security forces lifted a 24-hour siege of his newspaper in Aden, Reporters sans Frontières (RSF) has reported.
One of his sons, managing editor, Hani Bashraheel, was also arrested at the same time. Another son of Hisham Bashraheel, Mohammed Hisham Bashraheel, was arrested on January 5.
It is not known where they are being held or what the charges against them are.