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.

Emergency response crews at DIA successfully extinguished the seat fire. According to Southwest Airlines, the person whose phone caught fire received treatment for burns, while another passenger sustained minor injuries during the evacuation.

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.