It was reported Monday that Ukrainian president Volodymyr Zelensky declared Wednesday a "day of unity" amid fears of a Russian attack.

In a Facebook post, Zelensky announced that February 16 will be the day of the attack, and the country will make it a union day. Read full statement

According to reports, British Prime Minister Boris Johnson and U.S. President Joe Biden agreed there is a "crucial window for diplomacy and a chance for Russia to step back and avert disaster in Ukraine."

"Great people of a great country! There have been serious external and internal challenges in front of our country, which require responsibility, confidence and concrete actions from me and each of us.We are intimidated by a great war and once again set the date of the military invasion. This is not the first time. But our state is stronger today than ever.We strive for peace and want to solve all issues exclusively through negotiations. And Donbass, and Crimea will return to Ukraine. Only in a diplomatic way. We don't stare at someone else's, but we won't give our own. We have an amazing army. Our boys have unique combat experience and modern weapons. This is already times stronger than the army eight years ago. We are confident in our armed forces, and our military too should feel our support, our togetherness and our unity. The basis of our army is the confidence of our own people and a strong economy.We are told that February 16 will be the day of attack. We will make it a union day. The decree has already been signed. This afternoon we will hang national flags, put on blue-yellow ribbons and show the world our unity.We have one great European aspiration. We want freedom and are ready to vote for it. 14 thousand defenders and civilians who died in this war are watching us from the sky. And we will not betray their memory.We all want to live happily, and happiness loves the strong. We have never been able to give up and we are not going to learn that.Love Ukraine! We are at peace! We are strong! We are together!"