ABC World News Tonight paused its regular programming on Saturday to deliver an update regarding a roller coaster incident, with David Muir temporarily taking over hosting duties from Whit Johnson.

Muir, typically the weeknight anchor, filled in for the weekend broadcast, providing viewers with details about the alarming roller coaster ride. While specifics of the incident were not detailed in the report, the interruption highlights a shift in hosting responsibilities at ABC News and a focus on delivering breaking news.

Whit Johnson’s absence from the weekend broadcast suggests a potential change in scheduling or a temporary leave, though ABC News has not released an official statement regarding the reason for the host swap. Muir's appearance underscores the network's ability to adapt and ensure continuous coverage, even during unexpected circumstances.

The decision to interrupt the regular program to report on the roller coaster incident signals the importance ABC News places on delivering timely information to its audience. The update presumably addressed concerns and provided reassurance following the unusual event.