In Busan, a single note posted inside a subway train caused a major commotion.

At approximately 3:50 p.m. yesterday (July 1), a note was discovered on the door of a train car that had arrived at Jangsan Station on Busan Metro Line 2.

The note read, "If the train stops at Mulmangol Station at 5:26 and 5:41 on the Line 3 Yeonsan-bound route by July 3, I will spray flammable substances and set it on fire."

The transportation corporation shared this information through its internal network and ordered strengthened patrols at all stations, while also requesting cooperation by sharing the situation with relevant agencies, including the police, the Busan Metropolitan Government, and the National Intelligence Service.

The police analyzed CCTV footage to track the suspect and arrested a person in their 50s, identified as A, at their residence at approximately 9:50 p.m. last night.

The police plan to investigate A regarding the specific motive for the crime.

(Photo courtesy of Busan Transportation Corporation)