ABC World News Tonight with David Muir Full Broadcast - Aug. 31, 2026

By ABC News

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Matt Rivers is on the scene in Times Square, where sources say a woman stabbed two people during rush hour in New York City, killing one and leaving another with life-threatening injuries, before police opened fire and she died at the hospital; Trevor Ault reports on the urgent search for survivors after torrential rain turned a typically quiet creek in the Grand Canyon into a raging river, triggering deadly flash floods that sent a wall of water, mud and debris through trails; Mary Bruce has details on the Supreme Court’s divided decision to give Pres. Trump the green light to keep building his sprawling 90,000 square foot, $400 million ballroom, and news the Secretary of the Army is stepping down; and more on tonight’s broadcast of World News Tonight with David Muir. 00:00 Intro 02:21 Deadly Times Square stabbing during rush hour in New York City: Police 04:06 Urgent search for survivors after deadly Grand Canyon flooding 06:41 Tracking continued flood threat in Southwest and new t

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