A brave citizen put his life in danger to catch a robber and save an owner at a convenient store in Busan. The police said, a 50-year-old man holding a knife started to threaten the female owner by chocking her. At that moment, a man named Seong Ji-Hoon, who saw the scene, ran into the store and tackled the suspect. He held the suspect until police arrived. Heroic citizen Seong used to be a local taekwondo player and also held a black belt in judo.