Threats were posted at this high school for three consecutive days, and the police are tracking down the author.

At 7:43 am on the 15th, a threat to plant explosives at a high school in Seo-gu, Incheon was posted to the 119 reporting center.

Threats were posted at the same school for three consecutive days, and the author is currently being sought. [Photo = Pixels]

The author of the article said, "Why are you working so hard? I planted C4 and mercury brain acid bombs."

The article also included the expected time of the explosion and threats to survivors.

The school sent students home and implemented a temporary closure.



On the 13th, threats of stabbing and planting explosives were reported to the same school. The next day, on the 14th, another threatening message was posted saying, "I couldn't do it because of the police."

Threats were posted for three consecutive days, and the police are tracking down the author. [Photo = Reporter Shin Soo-jeong]

The police and fire department have controlled access to the school and strengthened patrols since the 13th, and no explosives or weapons have been found to date.

The police are tracking the threatening text as they believe it is highly likely that it was done by the same person.