"No one should be surprised if Russia spreads disinformation about commitments that have not been made, or if Moscow goes even further and instigates something as a pretext for further destabilizing activity," Price told a news conference in Washington on Wednesday.
"We urge everyone not to fall for Moscow’s continuing disinformation," he added, as quoted by the US State Department.
Price also told reporters that the United States was comparing notes with its allies "to figure out how best to continue down this path of dialogue and diplomacy" with Russia regarding Ukraine, the biznesalert.pl website reported.
Polish Foreign Minister Zbigniew Rau warned on Thursday that the risk of war in Europe was "now greater than ever before in the last 30 years."
He made the statement in the Austrian capital Vienna as he outlined Poland's priorities for its turn at the helm of the Organization for Security and Cooperation in Europe (OSCE) this year.
NATO members "spoke with one voice" during their talks with Russia on Wednesday, and called on Moscow to reduce tensions around Ukraine, Polish Deputy Foreign Minister Marcin Przydacz told reporters.
Earlier this week, the United States and Russia failed to reach an agreement during eight-hour talks on strategic stability in Geneva, Switzerland, news agencies reported.
Source: biznesalert.pl, state.gov