The Paris-based media watchdog said Hakim Eldostu Mehdiyev, from the opposition "Yeni Musavat" newspaper, was arrested on September 23 and sentenced to 15 days in prison for resisting arrest after reporting about energy problems in the Autonomous Republic of Naxcivan.
The group also called on the National Security Ministry to put a stop to what it said was the harassment of Mehdiyev's family.
RFE/RL Caucasus Report
SUBSCRIBE For weekly news and in-depth analysis on Armenia, Azerbaijan, Georgia, and Russia's North Caucasus by e-mail, subscribe to "RFE/RL Caucasus Report."