Story highlights New meetings are revealed between Trump associates and Russians

A major Trump donor flew to Seychelles to meet a Vladimir Putin confidant

(CNN) In December, Donald Trump's son-in-law and close adviser met privately with the head of a Russian bank under U.S. sanctions.

In January, a major Trump donor with ties to his administration flew to a remote island and conferred with a confidant of Russian President Vladimir Putin.

And four years ago, a Trump adviser interacted with a Russian spy trying to elicit intelligence.

Three revelations in the past week have raised new questions from lawmakers about the Trump team's relations with Russian leaders and broadened Congress's inquiries into whether Trump associates colluded with Russia in its effort to sway the 2016 presidential election.

The disclosures of private meetings came as Secretary of State Rex Tillerson, speaking at a NATO meeting, said the U.S. will maintain its sanctions against Russia until Moscow "reverses its actions" in neighboring Ukraine, where it has annexed part of the country.

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