More than 1,300 flights were cancelled and some 200,000 people stranded Friday after an overnight fire at a substation 3.2km (two miles) away cut power to Heathrow, and to more than 60,000 properties.

Energy Secretary Ed Miliband has ordered the National Energy System Operator to “urgently investigate” a power outage caused ...

LONDON (AP) — The British government on Saturday ordered an investigation into the country's “energy resilience” after an electrical substation fire shut Heathrow Airport for almost a day ...