Weather tracker: Extreme heat grips Death Valley in California

Hiker dies as US national park exceeds 50C, while heatwave in southern Europe is expected to ease

The US, like Europe, has been experiencing extreme heat over the past week and temperatures are expected to remain well above normal in places over the coming days.

Death Valley in California, the location of the disputed global record for maximum temperature, exceeded 50C (122F) on several days, which resulted in the death of at least one hiker.