Russian President Vladimir Putin meets US President Donald Trump in a summit in Helsinki on July 16, 2018. (Photo: AFP/ VNA)

The Americans have still not formulated any initiatives or proposals for the meeting, he added.

Putin and Trump were expected to meet on the sidelines of the previous G20 summit in Argentina last December, but the US president cancelled one day before the agreed date. The Russians responded by saying they are ready for dialogue with the US, but on condition that any contact be initiated by the US.