More than 140 flights were cancelled and ferry services suspended after unusually heavy November snowfall caused chaos.

South Korea grappled with heavy snowfall for a second day on Thursday, with dozens of flights cancelled, ferry operations suspended and at least four people reported dead in a bitter winter, though conditions showed signs of easing.

The capital Seoul saw the third heaviest snowfall since records began, with more than 40 cm of snow piling up in parts of the city. More than 140 flights were canceled as a result.