As the European Union readies further sanctions against Russia, Moscow is preparing steps in retaliation.
It's likely to affect air travel, with Russia banning foreign airlines from using the country's airspace.
Russian Prime Minister Dmitri Medvedev says Moscow's response to the sanctions will be "ferocious."
Russia correspondent Tom Barton reports.
IN: "In response..."
OUT: "...as well."
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(ALT)
Russia correspondent says Western sanctions will also affect the energy industry.
IN: "The EU..."
OUT: "...to Europe."
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