Earlier in the day, Russian Deputy Foreign Minister Mikhail Bogdanov said that the trilateral meeting could take place in Geneva.
"The meeting is scheduled for April 24,"the source said.
"A trilateral meeting of representatives of Russia, the United States and the United States is being planned in Geneva. We are awaiting the confirmation of our US colleagues," Bogdnov told reporters, adding that such meeting could take place next week.
Russian Deputy Foreign Minister Gennady Gatilov could represent Russia at the meeting, according to Bodganov.
SPUTNIK/MNA