“We need to be prepared for the talks fail, that diplomacy fails.

Therefore, we are sending a clear signal to Russia that if they want to use military force against a neighbor, there will be serious consequences, a high price will be paid: economic sanctions, financial sanctions, political sanctions, ”he said.

The NATO head added that "the alliance supports Ukraine."

“We are constantly assessing the need to strengthen our presence in Eastern Europe,” said Stoltbenberg.

He also said NATO is ready to listen to Russia's security concerns.