Helene now deadliest hurricane to hit US mainland since Katrina

Helene is now the deadliest hurricane to hit the U.S. mainland since Katrina nearly 20 years ago. More than 200 people are confirmed dead, with hundreds still unaccounted for. ––– Subscribe to ABC News on YouTube: ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for the latest headlines and alerts: Watch 24/7 coverage of breaking news and live events on ABC News Live: Watch full episodes of World News Tonight with David Muir here: Read ABC News reports online: ABC News is the home to the #1 evening newscast “World News Tonight with David Muir,“ “Good Morning America,” “20/20,” “Nightline,” “This Week” with Geor