U.S. and Russian participants have met in Switzerland for unofficial talks about the Ukraine war in recent months, including as recently as last week, three sources with knowledge of the matter said.

U.S. and Russian figures have held secret back-channel discussions on Ukraine in Switzerland since Donald Trump’s election victory in November, Reuters reported Thursday, citing anonymous sources familiar with the matter.

Unofficial U.S. and Russian representatives have been quietly meeting in Switzerland in recent months for informal discussions regarding Ukraine, Reuters reported on Feb. 21. The disclosure comes shortly after Russia and the U.