Photo from UNIAN

"I am grateful to our international partners, who together with us are making efforts to release Ukrainian political prisoners illegally held by Russia. I am convinced that truth and justice will prevail," Poroshenko wrote.

As UNIAN reported earlier, the British Embassy called on the Russian Federation to immediately release all Ukrainian political prisoners.

Read alsoСapture of Ukrainians by Russian special services instrument of "hybrid" war - British MPAccording to the study by the Crimean Human Rights Group, since 2014, following Russia’s illegal annexation of Crimea, at least 70 people have been illegally imprisoned in politically motivated trumped-up criminal cases.