WorldABC World News Tonight with David Muir Full Broadcast — Oct. 18, 2026

The broadcast reports Pope Leo XIV’s first public appearance after lung cancer surgery, leading a prayer crowd at the Vatican. It also tracks a dangerous nor’easter approaching the Mid-Atlantic and Carolina coasts, covers a Canadian military base fire that killed at least four and injured dozens, and shows new images of police raiding a 16-year-old school shooting suspect.