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Semena's lawyer, Aleksei Popkov, told RFE/RL that materials linked to the prosecution were read out at the session on June 5. The judge then adjourned the trial until June 14.

Semena faces up to five years in prison if convicted by Russia, which has jailed several people from Crimea who have opposed or criticized Moscow's 2014 seizure of the Black Sea peninsula from Ukraine.

Read alsoOSCE condemns deterioration of media freedom, journalist safety in occupied UkraineSemena's trial has been adjourned several times for different reasons since it started on March 20.

The charge against 66-year-old Semena stems from an article he wrote for RFE/RL's Krym.Realii (Crimea Realities) website in 2015.

Read alsoEU likely to prolong investment ban in Crimea for another year – journalistThe Kremlin-installed authorities in Crimea have charged that the article called for the violation of Russia's territorial integrity.

Semena maintains he is innocent. He has said that Crimea's status was and remains in dispute, and that he has the right to openly express his opinions.

Read alsoPACE passes Ukraine-proposed resolution demanding that Russia release political prisonersThe United States, the European Union, the Organization for Security and Cooperation in Europe (OSCE), and international media watchdogs have expressed concern about Semena's prosecution.

Read alsoMoscow court passes four-year suspended sentence for Ukrainian library's ex-headActivists say his trial is part of a persistent Russian clampdown on independent media and dissent in Crimea since Moscow’s takeover.

RFE/RL President Thomas Kent has described the case against Semena as "part of a concerted effort by Russian and Russian-backed authorities to obstruct RFE/RL's journalistic mission to provide an independent press to residents of Crimea."

After a Moscow-friendly Ukrainian president fled in the face of pro-European protests in February 2014, Russia seized control of Crimea after sending in troops and staging a referendum considered illegitimate by Kyiv, the United States, and a total of 100 UN member states.

The United States, European Union, and other countries imposed sanctions on Russia over the takeover of Crimea and say they will not be lifted until it is returned to Kyiv's control.