A fire at an electrical substation near London's Heathrow Airport has closed one of the world's busiest airports.

Firefighters extinguish the fire at the North Hyde electrical substation, which caught fire Thursday night and lead to a ...

Authorities said they found no evidence that it was suspicious, and the London Fire Brigade said its investigation would focus on the electrical distribution equipment at the substation.

Authorities said they found no evidence that it was suspicious, and the London Fire Brigade said its investigation would focus on the electrical distribution equipment at the substation.