- Russian Foreign Minister Sergei Lavrov makes the claim at an event in Moscow
- "Practically no one denies this," he tells a policy committee
- A Russia expert calls Lavrov's words "a new low in relations"
- In Ukraine last week, U.S. Vice President Joe Biden criticized "Russian aggression"
(CNN)With tensions simmering over the deadly crisis in Ukraine, Russia has accused the West of seeking regime change in Moscow, prompting renewed comparisons with the Cold War era.