Grong and Namsskogan in Trøndelag have logged 13 straight days above 30 °C, breaking the 43-year Nesbyen record, amid a nationwide heatwave.

A sudden change in weather has resulted in challenging driving conditions across Norway, with red warnings issued for parts of the country due to the risk of avalanches and other hazards.

Alf Åge Teigmo heard a huge crash: "First came a river, then forest and large boulders.