Eduard Limonov, an opposition leader of the outlawed NatsBols party and most recently known for his involvement in the forced shutdown of the eXile, has declared Sept. 14 as “Prisoner Day,” and is demanding that the authorities release all current political prisoners, including Mikhail Khodorkovsky. Here’s the report from Reuters:

Russia opposition figures calls for “prisoner day” MOSCOW (Reuters) – A Russian dissident launched a campaign on Sunday in support of what he called political prisoners, demanding President Dmitry Medvedev free 25 people – including jailed oil boss Mikhail Khodorkovsky. Eduard Limonov, the leader of the banned National Bolshevik party and a key organizer of the anti-Kremlin ‘Other Russia’ protests with chess grandmaster Garry Kasparov, called for a union of what he says are current or ex-political prisoners.