ABC World News Tonight with David Muir Full Broadcast - Oct. 18, 2026

In this full broadcast of ABC World News Tonight with David Muir from October 18, 2026, Lama Hasan reports on Pope Leo XIV's first public appearance at the Vatican, leading the crowd in prayer after undergoing lung cancer surgery. Leslie Lopez tracks a dangerous nor'easter brewing along the Mid-Atlantic and Carolina coasts. Alex Presha covers a deadly Canadian military base fire that killed at least four people and injured dozens. Alex Stone reports on new images of police raiding the 16-year-old school shooting suspect. Steve Portnoy provides an update on the campaign trail. The broadcast delivers comprehensive coverage of the day's major national and international stories, with in-depth reporting and analysis from ABC News correspondents.