https://www.foxnews.com/us/los-angeles-airport-terminal-evacuated-possible-carbon-dioxide-leak-sickens-least-4-report
Los Angeles airport terminal evacuated after possible carbon dioxide leak sickens at least 4: report
Terminal 8, utilized by United Airlines, was cleared of all passengers around 8 a.m. local time as firefighters investigated the apparent leak, the airport said.
Three people were in mild distress and one in "grave condition" due to the leak, the Los Angeles Fire Department said.
Fire officials said no escalating or off-site hazard has been identified.