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A Japanese boycott banner was found torn and graffiti in Busan. Suspects posted pictures that damaged banners on the Internet.

This is KNN Kang So-ra.

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At a rare dawn, a man begins to cut a banner hanging on the street.

This man disappears after graffitiing the banner with a pen that he has prepared beforehand.

'No KOREA, the Korea-Japan alliance is life', and the phone number is also written along with the phone number if there are complaints.

The 18-year-old A took pictures before and after the banner was damaged and posted them on the bulletin board of the Internet site.

All the banners calling for boycotts of Japanese products were cut like this.

There are only five banners that A group damaged at night in Dongnae-gu and Yeonje-gu, Busan.

I scribble on a signboard on the street, and the citizens who watched it are unpleasant.

[Jangseong-do / Suyeong-gu, Busan: This is not an act of cutting and it's close to violence.

When police started the investigation, Army A's father surrendered his son.

Group A has been diagnosed with anxiety disorders for many years.

[Lee Eung-hoon / Busan Dongnae Police Department Detective Team Leader: A group has no friends and surfs the Internet, so I damaged the banner for the purpose of getting attention.]

A minor, minor, is hardly subject to legal penalties, but will be admitted to police for inpatient treatment.

(Video coverage: Kim Tae Yong KNN)