Tropical storm Khanun drenches South Korea as it moves towards Seoul

Vehicles are submerged in floodwaters caused by the tropical storm in Changwon, South Korea (Chung Jong-ho/Yonhap via AP)

At least one person died on Thursday as tropical storm Khanun moved north towards major urban centres near Seoul.

More than a foot of rain fell in eastern and southern areas after the storm made landfall on the mainland in the morning. Emergency workers responded to increasing reports of flooding and landslides by the afternoon.