BHP BHP Group Limited

   By Rhiannon Hoyle 
 

SYDNEY--BHP Billiton Ltd. (BHP.AU) said an employee was killed at an alumina refinery in Western Australia state.

The worker died Monday in an incident at the Worsley refinery's powerhouse, which supplies energy to the production facility, the company said Tuesday in an emailed statement. It didn't elaborate further.

"A full investigation is underway," the company said.

Write to Rhiannon Hoyle at rhiannon.hoyle@wsj.com

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