'A huge explosion - then the sky lit up': Evacuated residents living near Heathrow tell of moment 'houses shook' as fire engulfed substation and cut power to 16,000 homes
Dramatic videos show flames and smoke billowing into the sky during the inferno, which broke out in the London suburb of Hayes at just after 11.30pm.
Dramatic videos show flames and smoke billowing into the sky during the inferno, which broke out in the London suburb of Hayes at just after 11.30pm.
