The refinery processes crude oil to produce gasoline and other fuels. Around 4:20 p.m. Thursday, the facility had a leak of hydrogen sulfide — a colorless gas with a strong odor. Local law ...

A refinery representative said they are still working with federal, state and local agencies during this active investigation ...

Five months after a hydrogen sulfide leak at the Pemex Deer Park refinery killed two contract workers, the U.S. Chemical Safety Board said they both died while trying to flee the scene.

DEER PARK, Texas — At least two workers at a Houston-area oil refinery were killed Thursday after hydrogen sulfide leaked at the plant, setting off urgent warnings for nearby residents to stay ...

A massive fire that erupted last month near an oil refinery in Karachi’s Korangi Creek area extinguished by itself in the wee hours of Tuesday, but the authorities later reignited it to “prevent gas ...