Ha! I've heard about these reports. I think it's another provocation, coming just before NATO war games on Georgian territory that were in complete disregard of Russia's warnings. If this is aimed at drawing other participants of the war games into the conflict — prompted by statements from the Georgian government — then this only proves that we were 100% right when we warned those taking part in the war games not to do so as it will lead heighten tensions sharply.
Regarding the reported coup in Georgia. Interview with Euronews (May 2009)