London's Heathrow Airport reopened on Saturday after a power outage at one of the world's busiest airports the previous day caused widespread chaos and cancellations.

Energy Secretary Ed Miliband says there are "lessons to be learned" after a substation fire brought the major airport to a standstill on Friday.

As Heathrow shut down sparking worldwide ... while those 'familiar with the investigations' claimed an electrical engineer sparked the fire. 'It's always cock-up rather than conspiracy,' a source ...

British authorities have ordered an investigation into the UK’s “energy resilience” and electrical infrastructure after a massive fire Friday knocked out power to London’s Heathrow Airport ...

British authorities have said the fire isn't being treated as suspicious, but increasing Russian sabotage attacks in Europe fueled speculation over Kremlin involvement.

The UK Secretary of State for Energy Security and Net Zero Ed Miliband announced Saturday that he is ordering an investigation into the substation fire.

Officials and travelers are calling for an investigation into ... early on Friday with Sky News that the fire at the electrical substation that crippled Heathrow Airport also took out at least ...

The fire at the electricity substation which led to Heathrow Airport's closure on Friday "is believed to be non-suspicious" and the investigation will"focus on the electrical distribution ...

London’s Heathrow Airport was completely shut down Friday because of a power outage due to a large fire nearby, causing massive disruption to one of the world’s busiest travel hubs. Follow for live ...

Flights have resumed at Heathrow Airport and a full service is expected on Saturday following an "unprecedented" loss of power caused by a nearby substation fire.

Energy Secretary Ed Miliband has ordered an investigation into the power outage that caused Heathrow to close on Friday, following a fire at a power substation The airport's chief executive says ...