Russia's stock markets have dropped about 10% and its currency has fallen to its lowest point ever against the dollar and the euro because of the crisis in neighbouring Ukraine.
The Moscow Exchange fell about 10% in the first hour of trading today, although it later recovered slightly.
The rouble, already down nearly 10% this year, fell below 50 against the euro for the first time. It was trading below 36.4 to the dollar, also a record.
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