Black smoke comes out of the school window.
A fire broke out at a high school in Siheung, Gyeonggi Province, around 1:30 pm today (the 20th).
Thirteen people, including students, were injured in the fire, and nine people who inhaled smoke were taken to the hospital.
All of them are said to be life-threatening.
All the lights went out in about 10 minutes.
The fire department believes the fire started on the exterior wall of the school building that was under construction and is investigating the exact cause of the fire.
(Video provided by viewers anonymously)