Investigators have now narrowed down what may have sparked the flame in a deadly ambulance fire last month to a portable oxygen tank and regulator ... batteries and other electronic devices.

Sep. 15—Preliminary findings from the investigation into a fatal ambulance fire in Kailua point to a portable oxygen regulator as the cause of the August incident. Preliminary findings from ...

HONOLULU (HawaiiNewsNow) - The source of a deadly ambulance fire last year was a portable oxygen cylinder’s regulator assembly, but a months-long investigation could not determine the exact ...

How much oxygen do you need to make sure you’re not only legal for a planned flight but can also safely provide for crew and passengers in the event of a d ...

“Based on the preliminary findings of this investigation…this fire is classified as accidental and originated at the portable oxygen regulator assembly. The exact and definitive cause of this ...