SACRAMENTO, Calif. (AP) — Officials say a woman caught trying to smoke on a Southwest flight has been arrested after shouting she was going to kill everyone on the plane.

Sacramento County sheriff's spokesman Shaun Hampton said Monday that 24-year-old Valerie Curbelo was arrested on the tarmac when the plane landed Saturday.

Hampton says when the crew stopped Curbelo from having a cigarette in the plane's bathroom, she threatened to kill all the passengers and crew and became combative.

Southwest said in a statement that the flight from Portland, Oregon, received priority treatment from air tr...