|An S-Oil factory in Ulsan is engulfed in flames following an explosion. Yonhap|
By Kang Hyun-kyung
A massive fire ripped through an S-Oil factory in the southeastern coastal city of Ulsan on Thursday night.
About 120 firefighters and 33 fire trucks were deployed to extinguish the fire, which is believed to have started from an explosion and spread to adjacent structures.
Firefighters are still battling to contain the fire. As of 10 p.m, one person was reported to have been injured.