Wildfires in Hawaii, Canada and Tenerife cause concern

One of the largest cities in Canada's far north is being evaluated emid warning that a wildfire could reach it by the weekend.

The 20,000 residents of Yellowknife, the capital of the Northwest Territories,have been given until noon Friday ( 18:00 GMT ) to leave.

Meanwhile, US President Joe Biden has said he will visit the Hawaiian island of Maui following devastating wildfires.

And a major wildfire on the Spanish island of Tenerife has led to the evacuation of five villages.