ABC World News Tonight with David Muir S2024E234 - Episode 234

Britt Clennett reports from Tel Aviv as both Israel and Hezbollah claim success following the largest cross-border attacks against each other since the start of the war in Gaza; Jaclyn Lee has the latest on the urgent search for an Arizona hiker swept away by flash flooding at the bottom of the Grand Canyon as more than 100 other people were rescued; Ike Ejiochi with details on the towns and cities across the country on alert for mosquito-borne illnesses; and more on tonight's broadcast of World News Tonight.