Homeless man in his 60s arrested for indiscriminately ”wielding a knife” in Seoul, South Korea

Police arrested a homeless man who was carrying a knife and threatened a man he did not know near a subway station in Seocho-gu, Seoul, South Korea.
On the 11th, Seocho Police Station in Seoul arrested a man in his 60s on suspicion of special assault and possession of a knife in a public place.
The suspect, A, is accused of threatening a drunk man in his 20s with a knife near Exit 1 of the Express Bus Terminal in Seocho-gu at around 11:10 p.m. on the 8th of this month.
Afterwards, he was arrested by the police while walking around with the knife. Suspect A said he had purchased the two knives at a nearby household goods store and had them for self-defense.
It is said to be explaining.