Canada wildfire: Race to evacuate city as blaze approaches

One of the largest cities in Canada's far north is being evacuated amid warnings 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.

As of late Wednesday, the fire was within 16km (10 miles) of the city.