UPDATE: SALT LAKE CITY (AP) — A Salt Lake City hospital official confirmed Wednesday morning that a man injured in a blast at a Wyoming natural gas storage tank has died.

University of Utah Hospital spokeswoman Marissa Villasenor says one of four workers injured in Tuesday's blast died overnight at the hospital's burn unit.

Villasenor says two other patients remained in the hospital's burn unit. She released no further details.

A fourth worker injured at the blast was treated locally and released.

CHEYENNE, WYO. (AP) — AN EXPLOSION HAS CAUSED A STILL-UNKNOWN NUMBER OF INJURIES AT A GAS INDUSTRY FACILITY IN WESTERN WYOMING.

LINCOLN COUNTY SHERIFF'S OFFICE SPOKESMAN STEPHEN MALIK SAYS THE BLAST HAPPENED JUST BEFORE 2 P.M. TUESDAY NEAR LABARGE.

HE SAYS AN UNKNOWN NUMBER OF PEOPLE WERE HURT IN THE BLAST AT A FACILITY OWNED BY HOUSTON-BASED EOG RESOURCES. HE SAYS THE EQUIPMENT IS NEAR AN EXXONMOBIL GAS PROCESSING PLANT BUT THE EXPLOSION DIDN'T OCCUR AT THE GAS PLANT.

MALIK SAYS EMERGENCY RESPONDERS ARE ON THE SCENE.

EOG OFFICIALS DIDN'T IMMEDIATELY RETURN A PHONE MESSAGE.