All materials contained on this site are protected by Korean copyright law and may not be reproduced, distributed, transmitted, displayed, published or broadcast without the prior consent of the JoongAng Ilbo | Tel: 1577-0510
JoongAng Ilbo Co., Ltd. | Address: 48-6 Sangamsan-ro, Mapo-gu, Seoul, Republic of Korea
Business registration number: 110-81-00999 | CEO & Publisher: Park Chang-hee | Executive Editor: Choi Ji-young
Mail order business report number: 2020-Seoul Mapo-3838 | Online newspaper registration No: 서울,아55177
Date of Registration: 2023. 11. 21 | Juvenile Protection Manager: Park Hyunyoung
![In this video, taken and uploaded by a friend of the pictured iPhone's owner, the phone is seen letting out large amounts of smoke inside a classroom at a high school in Cheonan, South Chungcheong, on Thursday. [SCREEN CAPTURE]](https://image.koreajoongangdaily.com/11157481.jpg?imageId=11157481&width=240&height=184&format=webp&format=jpg)
![A Galaxy S22 Ultra model is displayed at Samsung Electronics' retail shop in Seoul. [YONHAP]](https://image.koreajoongangdaily.com/11729494.jpg?imageId=11729494&width=240&height=184&format=webp&format=jpg)
