A massive power outage at London's Heathrow Airport brought operations to a halt.
More than 1,300 flights were affected after a fire at a nearby electrical substation. Hundreds of thousands of passengers ...
While investigation into a prolonged electrical power outage to London Heathrow is continuing, UK transport minister Heidi ...
Energy Secretary Ed Miliband says there are "lessons to be learned" after a substation fire brought the major airport to a ...