Plutonium production reactor in Zheleznogorsk shut down

Russia's last plutonium production reactor, ADE-2 at Zheleznogorsk, was shut down at midnight on May 31, 2009 (at 24:00 MSK according to one report, which was 04:00, June 1st in Zheleznogorsk). The shutdown is not permanent yet - officially, the reactor has been stopped for maintenance and could be restarted in September if the replacement power station is not ready by that time. According to the U.S.-Russian agreement, the reactor should be shut down completely no later than 2010.