CBS Evening News with Norah O'Donnell, 09/30/24

Nearly 90,000 people in Georgia are being urged to stay indoors and keep their windows shut after a chemical plant fire released a plume of smoke and noxious chlorine gas visible for miles. No injuries have been reported. Hurricane Helene has disrupted presidential campaigns, with Vice President Kamala Harris returning to Washington for briefings and former President Donald Trump touring storm-hit Valdosta, Georgia, where he falsely claimed the governor couldn't reach President Biden. Gov. Brian Kemp and Biden spoke over the weekend. A dockworkers strike could shut down major Atlantic and Gulf ports, threatening 43% of U.S. imports and 68% of containerized exports. Businesses are bracing for disruptions, and if the strike lasts more than a few days, consumers may feel the impact.