The findings undercut U.S. President Donald Trump’s claim that he was the target of a “witch hunt.”

Trump called in to "Fox & Friends" and said he was trying to root out corruption in the Eastern European nation when he withheld aid over the summer.

The Kremlin had said earlier on Monday that the U.S. newspaper report was worrying and showed that a cyber war was, in theory, possible.

Putin suspended Russia’s obligations under the terms of the Intermediate-Range Nuclear Forces treaty.

Russia says the image proves the U.S. was violating a Cold War-era nuclear arms treaty two years before the Trump administration announced it was withdrawing from the agreement.

Russia condemned a new round of U.S. sanctions as draconian on Thursday after news of the measures sent the rouble tumbling to two-year lows and sparked a wider asset sell-off over fears that Moscow was locked in a spiral of never-ending sanctions.

The official was informed about the invite on live television, while he was speaking at the Aspen Security Forum in Colorado.

President Donald Trump seems of two minds on nuclear weapons. He muses about eliminating them but also has called for a U.S. buildup and bragged about his nuclear "button."

A Russian jet flew within five feet of a U.S. Navy plane over the Black Sea.

The U.S. on Thursday ordered Russia to shut its San Francisco consulate and close offices in Washington and New York.