Thai authorities say rescuer in cave dead from lack of oxygen

MAE SAI, Thailand — Thai authorities say a former navy SEAL working to rescue boys trapped in a cave has died from lack of oxygen.SEAL commander Arpakorn Yookongkaew said during a news conference Friday morning that the rescuer was working in a volunteer capacity and died during an overnight mission in which he was placing oxygen canisters.Thai authorities are racing to pump out water from a flooded cave where 12 boys and their soccer coach have been trapped since June 23.