Via AFP:
Presidents Barack Obama and Vladimir Putin confronted one another in telephone talks Monday as a standoff over Ukraine escalated after the CIA chief visited Kiev and a Russian war plane "buzzed" a US destroyer.
Washington said it was consulting European allies and hinted that more sanctions on Russia's economy could be coming, to punish what it sees as Moscow's sponsorship of pro-Russia violence in eastern Ukraine.
The Kremlin said that Putin used the latest in a string of tense phone calls with Obama to brand US charges of meddling in eastern Ukraine as "unfounded."
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