Air traffic control audio released on Monday shows the tense moment officials realized that Delta Connection flight 4819 was burning on the tarmac of Toronto Pearson Airport.The flight, which involved a CRJ-900 jet operated by Endeavor Air, crashed while landing at the Canadian airport at around 2:15 p.m. on Monday. 80 people, including 76 passengers and 4 crew members, were on board at the time.No one was killed in the crash, though at least 18 injuries were reported, including three critical injuries. At roughly 2:13 p.m., an official was heard saying, "This airplane just crashed.""Just so you're aware, there's people