College Protests Spread Amid Clashes With Police, More Arrests; Nearly Two Million Under Serious Tornado Threat In Oklahoma And Texas; US To Supply Ukraine With Extra $6 Billion In Aid; TikTok Facing Deadline To Find New Owner Or Risk Ban In The U.S.; Protest Outside White House Correspondents' Dinner; Final Night Of The NFL Draft Underway. Aired 6-7p ET

[18:00:32] JESSICA DEAN, CNN HOST: You are in the CNN NEWSROOM. Hi everyone, I am Jessica Dean in Washington. More arrests and tensions at college campuses across the country today [...]