Washington (CNN) Vice President Joe Biden served up some blunt talk on Saturday, telling Russian President Vladimir Putin simply to "get out of Ukraine."

Biden's comments come at a time of increasing violence in Ukraine, with at least 224 killed and more than 540 injured in the final three weeks of January, according to the U.N. High Commissioner for Human Rights.

Speaking at the Munich Security Conference in Germany, Biden said the conflict had moved beyond the need for a "reset" with the relationship, instead requiring a "re-assertion" of the "fundamental bedrock principles on which European freedom and stability rest."

Biden met with German Chancellor Angela Merkel and Ukrainian President Petro Poroshenko earlier Saturday to discuss the situation in Ukraine.

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