Ukrainian President Volodymyr Zelensky predicted in a Sunday interview with NBC News that Russian President Vladimir Putin will launch an "invasion" of North Atlantic Treaty Organization (NATO) countries and has been waiting for the "weakening" of the military alliance as the United States signals a lack of support.

In an exclusive interview with Meet the Press, Ukrainian President Volodymyr Zelenskyy says he has intelligence suggesting Russian President Vladimir Putin may be preparing troops to invade neighboring NATO countries.