INFO:

Rob Marciano reports on the dangerous tornado outbreak in the Heartland, with more than two dozen tornadoes reported and watches and warnings across six states; Kanya Whitworth has details on the Delta flight from New York to Los Angeles that was forced to return to JFK airport after an emergency slide separated from the plane about an hour into the flight; Aaron Katersky has the latest on Donald Trump’s criminal trial in New York as Trump’s former assistant of 34 years testified after prosecutors called her to the stand; and more on tonight’s broadcast of World News Tonight with David Muir. 00:00 Intro 02:03 Dangerous tornado outbreak in Heartland with at least 25 tornadoes reported 04:25 Delta flight makes emergency landing after slide falls off plane in midair 06:23 Trump's longtime assistant takes the stand in criminal trial 09:07 Dozens arrested during violent clashes as chaotic campus protests spread 11:17 Biden: