kyiv dec 8 reuters  ukraines central bank kept its main interest rate unchanged at 25 on thursday but said that economic risks remained elevated following a series of russian missile attacks on the countrys energy infrastructure the interest rate has been at 25 since june and central bank officials have repeatedly said they aim to keep it at that level until 2024 the central bank also said consumer inflation sped up to 266 in october yearonyear the statement released after the central banks final monetary policy meeting this year said continued international financing was a key prerequisite for economic stability the level of international financial aid will reach 31 billion this year the central bank said the main risks for economic development are a longer period of fullscale military aggression by russia as well as a further increase in terrorist attacks against critical infrastructure facilities the statement said russia which invaded ukraine in february has increased attacks on energy facilities in recent weeks with most of the country experiencing severe energy shortages and long blackouts the central banks current forecast sees ukraines gdp falling by 315 this year the bank expects the economy to return to growth in 2023 with gdp rising by 4 the international monetary fund expects ukraines gdp to fall by 35 this year and that the economy will stabilize next year the central bank also said it was increasing obligatory reserve requirements for commercial banks by five percentage points