Electoral fraud fears in the 'Black Heart of Russia'
Russians are voting in parliamentary elections on Sunday 4 December - already denounced by opponents of the ruling United Russia party as neither free nor fair.
Seven parties are taking part - but what are the key issues for the voters?
The BBC's Steve Rosenberg travelled to the town of Tambov, 500km from Moscow - it is known as the "Black Heart of Russia" because of its rich soil and farmland.
29 Nov 2011