Travelers aboard a Southwest Airlines flight preparing to leave Denver Friday had to evacuate after a passenger’s cell phone battery caught on fire and caused an airplane seat to catch fire as well.

Southwest Airlines Flight 3316 was at a gate at the Denver International Airport when a spokesperson for the airline said a cell phone battery caught on fire. The flight was scheduled to take of at 6:05 a.m. and was headed to Houston's Hobby airport.

One person suffered a minor injury during the evacuation, while another, whose phone was the source of the fire, was treated for burns, airline officials said.

A passenger whose cellphone caught fire was treated for burns, and one other passenger sustained minor injuries during the evacuation.

Everyone on board a Southwest Airlines flight at Denver International Airport was evacuated safely Friday morning after a cellphone battery ignited.