Nadia Calviño, chairwoman of the IMF's international monetary and financial committee, leaves after a briefing during the annual meetings of the IMF and World Bank in Washington. AFP
Nadia Calviño, chairwoman of the IMF's international monetary and financial committee, leaves after a briefing during the annual meetings of the IMF and World Bank in Washington. AFP

IMF says 'high uncertainties' put global economy at risk as Russia blocks communique