Russia's finance ministry fully spent its reserve fund in 2017

The finance ministry said it converted foreign currency it had in its reserve fund into rubles and channeled more than 1 trillion rubles ($17.53 billion) to cover budget deficit in December.

As of Dec. 1, the reserve fund stood at $17.05 billion. The reserve fund is part of the country's gold and forex reserves that stood at $432 billion as of Dec. 22.

The finance ministry said it will terminate the reserve fund, accumulated over years of high oil prices, from Feb. 1.

The ministry also said the National Wealth Fund, which is designed to help balance the pension system, fell to $65.15 billion as of Jan. 1. from $66.94 billion as of Dec. 1.

(Reporting by Andrey Ostroukh Editing by Jeremy Gaunt.)