It came out of nowhere and knocked a firefighter to the ground! An A/C unit comes crashing down on his head. What may have saved his life and the firefighter’s condition now. Watch the full story today at 4 p.m. on NBC4 News. https://t.co/6nAjsfYIbj pic.twitter.com/JLVixrMieq

— NBC Los Angeles (@NBCLA) January 26, 2021