"We have no interest in seeing Russia weakened or its economy in shambles. We have a profound interest, as I believe every country does, in promoting a core principle, which is: Large countries don"t bully smaller countries," Obama told reporters.

Speaking in New Delhi after a lengthy flight on Air Force One, Obama said Sunday he will "look at all the additional options that are available to us short of military confrontation."

The United States ordinary citizens demanded the tightening of sanctions against Russia. A rally in support of Ukraine was held in Washington, at the White House. Hundreds of people demanded the enactment of the Freedom Act of Ukraine. Although the bill passed both houses and was signed by the President of the United States, its conditions are not fulfilled.