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.

The USA and Russia conducted secret talks in Switzerland over the past few months about the war in Ukraine. The meetings were unofficial and took place in Switzerland. The details of the discussions remain unknown,

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.