PORT NECHES, Texas—Officials reported all workers were accounted for and three workers were injured in an early morning explosion at TPC Group’s petrochemical refinery in Port Neches, Texas. The blast was  reportedly that felt more than 30 miles (48 kms) away from the plant, a law enforcement official told Reuters.

KFDM-TV in Beaumont, Texas, quoted Jefferson County Judge Jeff Branick saying all workers had been accounted for following the blast that shattered windows and blew doors of their hinges.

Captain Crystal Holmes of the sheriff’s office said rescuers were “able to pull [three] injured employees out.”

“At approximately 1 a.m. today, Wednesday, November 27, an explosion was reported at the TPC Group Port Neches Operations site located at 2102 TX-136 Spur, Port Neches, TX 77561 involving a processing unit,” a statement released by TPC Group read.

“TPC Group has activated its Emergency Response Plan and requested assistance from Port Neches Fire Department and Huntsman. The event is on going, but will be brought under control as quickly and safely as possible,” the statement continued.

“At this time, personnel at the site have been evacuated. We have accounted for all site personnel and three personnel have sustained injuries and are being treated. Right now our focus is on protecting the safety of responders and the public, and minimizing any impact to the environment.”

The plant employs 175 and routinely has 50 contract workers on site.