Canada’s British Columbia has declared a state of emergency as a fast-moving wildfire forced more than 20,000 people to evacuate overnight. The blaze has been likened to ‘a bomb going off’ Key points and original sources are listed below.

• Canada’s British Columbia has declared a state of emergency as a fast-moving wildfire forced more than 20,000 people to evacuate overnight. Officials say strong winds helped the flames spread rapidly, with significant challenges still remaining to bring the bl...S1

• The blaze has been likened to ‘a bomb going off’S2