Secretary of the Russian Union of Journalists Timur Shafir said that the organisation is trying to contact the Iranian side in order to get information about the incident and shed light on the accusations against the woman.
Russian Foreign Ministry spokeswoman Maria Zakharova announced that the Iranian ambassador has been summoned to the ministry over the arrest of Russian journalist Yulia Yusik.
Yusik's ex-husband Boris Voitsekhovskiy said on Facebook that Yusik had been arrested earlier this week. The journalist's daughter also confirmed the incident via her mother's account.
The Russian Embassy in Iran has stated that diplomats are looking into the case, adding that it hadn't received any legal notice from the Iranian authorities.