US State Department spokesman John Kirby commented on the Kremlin spokesman Dmitry Peskov 's statement, stressing that the US administration didn't stop diplomatic engagement with Russia.
"It's difficult to know exactly what is meant by this comment, but diplomatic engagement with Russia continues across a wide range of issues," Kirby said in an emailed statement. "That we have significant differences with Moscow on some of these issues is well known, but there hasn't been a break in dialogue."
US Secretary of State John Kerry and Russian Foreign Minister Sergei Lavrov spoke by phone on Tuesday regarding the situation in Syria, Kirby said.