American Airlines laptop fire highlights lithium battery risks on flights. Learn why devices ignite, warning signs to watch for and what to do in the air.

"I think we have about four to five passengers that were burned by the laptop," a pilot can be heard saying in air traffic control audio obtained by CBS News.

An American Airlines flight from Atlanta to Dallas Fort Worth International Airport faced a mid-air scare after a passenger's laptop caught fire during landing, with the pilot…