September 11, 2019 12:40 pm What's Up: Tributes to Those Lost on 9/11 The September 11 attacks killed nearly 3,000 people, and 18 years later, the country remembers those lives lost. NBC 7’s Marianne Kushi has more. US & World Videos 2:45 La Jolla Concours d'Elegance classic race cars 1:39 Troops Endure Hyper-Realistic Training 2:07 New study links consuming red meat with dementia 2:05 Police find, return dozens of abandoned Amazon packages 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl