South Korea's capital was blanketed on Wednesday by the heaviest snowfall in Seoul during November on record, with bad weather snarling traffic, knocking out power and grounding hundreds of flights as authorities braced for more snow in coming days.

An unusual snowstorm has blanketed Seoul, South Korea's capital, grounding hundreds of flights and disrupting traffic.

Up to 26 centimetres of snow fell over northern parts of the South Korean capital, as hundreds of flights were cancelled and homes in multiple areas left without power.