Russian Deputy Foreign Ministers Gennady Gatilov and Mikhail Bogdanov and US Under-Secretary of State Wendy Sherman are going to discuss the coming second round of Geneva talks on Syria with the UN and Arab League's envoy to the country, Lahdar Brahimi.
The officials have already arrived in Geneva's Palace of Nations where the meeting is scheduled to be held.
In Switzerland Brahimi is also expected to meet with British, French and Chinese diplomats.