The Frontier flight with 190 passengers was in the process of landing when the crew reported smoke in the cockpit and declared an emergency.

A Frontier Airlines flight from San Diego to Las Vegas caught fire Saturday and was forced to make an emergency landing in Sin City, prompting investigations by the FAA and NTSB.

A Frontier Airlines flight appeared to catch fire during an emergency landing at Harry Reid International Airport on Saturday evening. The flight from San Diego to Las Vegas was in the process of landing when the pilots detected smoke and declared an emergency, Frontier said.