Wilmington May 4, 2023 8:47 am Workers Hospitalized After Leak at Wilmington Refinery Four people were hospitalized Thursday morning after they were exposed to leaking gases at a refinery in Wilmington. Video broadcast Thursday May 4, 2023 on NBC4. US & World Videos 0:55 Thieves hit convenience stores in Orange County 2:21 Iranian president killed in helicopter crash 2:58 Helicopter carrying Iranian president crashes 2:33 Man steals LAPD cruiser with officer inside 2:24 Man steals LAPD patrol SUV in downtown LA