By 0605 GMT, the rouble eased 0.3 percent to 32.15 after briefly hitting 32.25, its weakest level since August 17, 2009.

Versus the euro, the rouble weakened 0.55 percent to 43.39, a level last seen in late 2009.

Against the euro-dollar basket, the central bank's main gauge of the currency market, the rouble lost 0.4 percent, sliding to 37.21.

Copyright Reuters, 2011