Investigators Said to Look at Whether LaGuardia Controller Stepped Away

Officials are said to be examining whether a controller had to use an emergency phone just before the crash at LaGuardia. They have yet to determine the cause of the crash and are also focusing on other avenues.​Officials are said to be examining whether a controller had to use an emergency phone just before the crash at LaGuardia. They have yet to determine the cause of the crash and are also focusing on other avenues.