Watch Live: Senate hearing on Russia, Trump campaign

The top Democrat on the Senate intelligence committee is butting heads with Russian President Vladimir Putin.

In opening remarks at a congressional hearing on Thursday, Sen. Mark Warner of Virginia said definitively that Putin ordered a carefully constructed campaign to undermine last year’s presidential election.

In Moscow, Putin on Thursday dismissed what he called “endless and groundless” accusations of Russian meddling in the election. Putin describes the allegations as part of the U.S. domestic political struggle.

Putin also said he’s ready to meet with President Donald Trump at an upcoming Arctic summit.

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