Foreign Minister Sergei Lavrov accused the West on Saturday of trying to use sanctions imposed on Moscow in the Ukraine crisis to seek "regime change" in Russia.
His comments stepped up Moscow's war of words with the United States and the European Union in their worst diplomatic standoff since the Cold War ended.
"As for the concept behind to the use of coercive measures, the West is making clear it does not want to force Russia to change policy but wants to secure regime change," Tass news agency quoted Lavrov as telling a meeting of the advisory Foreign and Defence Policy Council in Moscow.
He said that when international sanctions had been used against other countries such as Iran and North Korea, they had been designed not to harm the national economy.
"Now public figures in Western countries say there is a need to impose sanctions that will destroy the economy and cause public protests," Lavrov said.
His comments followed remarks on Thursday in which President Vladimir Putin said Moscow must guard against a "colour revolution" in Russia, referring to protests that toppled leaders in other former Soviet republics.
Western sanctions have limited access to foreign capital for some of Russia's largest companies and banks, hit the defence and energy industries, and imposed asset freezes and travel bans on some of Putin's allies.
The measures have aggravated an economic downturn, which has also been worsened by a fall in global oil prices and has helped cause a nearly 30 percent slide in the ruble against the dollar since the start of the year .
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Putin's popularity has soared in Russia since the annexation of Crimea from Ukraine in March.
He says Western powers were behind the overthrow of a Moscow-backed president in Ukraine in February after months of street protests, but the West blames Moscow for the crisis.
U.S. Vice President Joe Biden in Kiev on Friday termed Russia's behavior in Ukraine as "unacceptable". He said Moscow must abide by a Sept. 5 ceasefire deal, which has failed to end a conflict that has killed more than 4,300 people since mid-April.
Biden urged Moscow to pull soldiers out of Russian-speaking eastern Ukraine, where pro-Russian separatists are fighting government forces, though Moscow denies supporting the rebels with troops and weapons.
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