South Korea’s heaviest rainfall since World War II submerged cars on the streets, flooded subway stations and left at least eight people dead. The downpours also hit neighboring North Korea, which added to the chaos by discharging floodwaters near the two countries’ border without giving advance notice as required by an inter-Korean accord. Water levels near one border-area bridge rose to nearly 17 feet Monday afternoon, or six times higher than normal, South Korean officials said. Rainfall approached 16 inches in some parts of South Korea on Monday and Tuesday. That led to flash flooding that created particular disruption across the densely populated Seoul metropolitan area, where roughly half of the country’s 52 million people reside. Downtown Seoul suffered traffic jams on Tuesday due to vehicles left in the middle of streets. At one point Monday evening, several Seoul […]