KIEV, Dec. 18 - President Viktor Yushchenko is alarmed with the quick weakening of the hryvnia and is drawing a plan of action to improve the situation on the currency market, Roman Zhukovsky, the head of the chief social and economic development service at the presidential secretariat, said at a briefing on Wednesday.

He said that the head of state asked for additional information and moved up a meeting with the head of the National Bank of Ukraine Volodymyr Stelmakh and Finance Minister Viktor Pynzenyk to Dec. 18.