Trying to drive a wedge between Moscow and Beijing will only hurt Washington's relations with both.
Russia claims it is intended to ensure the safety of its naval base.
The military did not indicate whether the truce would be reinstated.
Hours after the deal was reached, Syria’s army reportedly attacked rebel-held areas in Aleppo.
This is the second time the same Russian vessel has come within proximity of a U.S. Navy ship this month.
WASHINGTON — Russian submarines and spy ships are aggressively operating near the vital undersea cables that carry almost
He also sharply criticized U.S. military support for Syrian rebels.
"This is no time to in any way signal a lack of resolve in the face of these Russian actions," she said. "I do consider Russia
MOSCOW -- The less the United States is constructively involved and committed to the process of reaching a settlement, the less likely it is that a lasting peace will emerge, that the points of the Minsk agreement will get implemented and that Kiev will fulfill its obligations.
But she flatly rejected the notion that sending weapons to Kiev, an idea being considered by U.S. President Barack Obama
Luke Coffey talks with Josh about why we can't define Russia's propaganda tactics as an "act of war."