An entrance to Camp Stanley Storage Activity near San Antonio, Texas. (City of Fair Oaks Ranch/Facebook)

AUSTIN, Texas — A fuel tank at an Army storage facility exploded Wednesday morning, killing one employee who worked at the site, the service said.

The incident occurred at about 10 a.m. as the civilian employee was welding as part of maintenance on a free-standing fuel tank at Camp Stanley Storage Activity, which is about 19 miles northwest of downtown San Antonio, according to the Army Joint Munitions Command, the headquarters that operates the site.

The employee was taken to University Hospital in San Antonio and later died from the injuries sustained in the accident, the command said. The person’s name has not been released.

The incident is under investigation.

Officials said the incident was under control and posed no additional danger to employees or the community.

“We deeply regret the loss of life that occurred today,” the command said in a statement. “The safety of employees and the community is important, and we will take steps to ensure an incident like this is prevented in the future.”

Camp Stanley receives, tests, stores, ships, renovates and demilitarizes conventional arms, ammunition and explosives in support of worldwide Army operations, according to the service.