In a selfie-style video posted to Twitter early on Saturday, Ukraine's President Volodymyr Zelensky vowed to stay and fight on. Zelenskyy wanted to denounce as disinformation claims that he had surrendered or fled the nation's capital city of Kyiv. Zelenskyy on Saturday also pressed the world to help his country beat back a Russian invasion, even as those forces closed in on Kyiv from various directions overnight in their effort to take the capital. Click on the link in our bio to get the latest news and information out of Ukraine. 📸: Ukrainian Presidential Press Office via @apnews; USA TODAY graphic