Extreme Weather September 20, 2024 9:47 am At least one killed after storms rip through Oklahoma At least one person was killed after a series of powerful storms swept through parts of Oklahoma Thursday night. US & World Videos 2:27 Why are there no Category 6 hurricanes? 1:13 What is Indigenous Peoples' Day? 1:38 Meghan Markle makes surprise appearance at Children's Hospital LA gala 1:10 American scientists win Nobel Prize for the discovering of microRNA 2:08 Hurricane Milton strengthens to Category 4 storm as it churns toward Florida