A passenger found hanged in a plane bathroom apparently killed himself during the flight, South Korean police said. The man was found hanging by his belt from a clothes hanger after the flight landed. Yesterday's Asiana Airlines flight had departed from Guangzhou, China. The man had worked at a Guangzhou branch office of a South Korean company and was returning home, officials said. No suicide note was found. The man was a 43-year-old South Korean; the country's suicide rate is the highest in the developed world.