From CNN's Billy Stockwell and Caitlin Danaher in London Several flights have taken off from London’s Heathrow Airport, after a day of disruption grounded hundreds of planes, according to ...

(CNN) — The chief executive of London’s Heathrow Airport expects it to be running as normal by Saturday after a “significant power outage” brought one of the world’s busiest transit hubs ...

(CNN) — The shutdown of London’s Heathrow Airport, one of the busiest airports in the world, is causing chaos across the world today, with thousands of flights affected and major disruption ...

So many questions that need to be answered and reflection that needs to happen on how a single substation could take out the back-up power source of such a critical airport.' Later on CNN's ...