MOSCOW, April 15 (Xinhua) -- A message by U.S. President Barack Obama to his Russian counterpart, Vladimir Putin, was written in a constructive tone with proposals on deepening bilateral ties, the Kremlin said Monday.
The private letter, delivered by visiting U.S. National Security Adviser Thomas Donilon to Putin, contains "a number of proposals on deepening bilateral dialogue and cooperation," presidential aide Yuri Ushakov told reporters.
Obama's letter contains both previously discussed topics and new elements, Ushakov said, adding that Russia "will thoroughly study them and give the corresponding answers."
Noting that the Obama administration has been sending "quite positive signals" to Moscow, Ushakov said, "We will certainly support these signals.
"Moreover, we have always been ready to develop and deepen relations with no restrictions. All restrictions originate from the U.S. side only," he added.
During his meeting with Donilon, Putin confirmed his readiness to meet with Obama on the sidelines of the upcoming Group of Eight summit in Northern Ireland, said the Kremlin.
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