Here’s what scientists say a nuclear attack would look like
02:21
NBC News’ Miguel Almaguer reports from Los Angeles, where America’s first responders are preparing for nuclear emergency in case of attack.Dec. 2, 2017
UP NEXT
Actress Anne Heche to be taken off life support
00:19
Wyoming and Alaska Primaries around the corner
01:47
Author Salman Rushdie taken off ventilator after showing signs of improvement, according to his son
01:29
Man plows car into Pennsylvania restaurant holding benefit killing 1, injuring 17 others
01:58
Five Americans injured in Jerusalem terror attack
01:33
29 year old Delaware resident kills himself after plowing car in Capitol barricades