July 1, 2021 5:49 pm Fireworks Explosion Injures 17 and Prompts Evacuations A fireworks blast hurt 17 people during a seizure by law enforcement in South LA. Kim Baldonado reports for the NBC4 News on Thursday, July 1, 2021. US & World Videos 2:38 Mountain lion sighting in Griffith Park 2:37 At least 6 convenience stores robbed in LA and OC 2:41 Attack leaves woman brain dead, family demands justice 3:53 Nicky Nieves looks forward to Paralympic games 2:49 Glendora jewelry store heist investigation