The city hit 42.5C, South Korea’s hottest ever.

Gangneung’s overnight low held at 30.2C — a second straight “super tropical night” — as heat failed to dissipate before sunrise.

Forecasters expect the heat core to shift toward Seoul from August 4, with highs near 37C.

Sources: 경향신문, The Japan Times, RFI, NDTV, Yahoo News