The power outage that led to the complete closure of London's Heathrow airport was a "clear planning error" made by airport officials, said the head of the International Air Transport Association Willie Walsh, quoted by Agence France-Presse, writes BTA.
"How is it possible that this critical infrastructure of national and global importance is entirely dependent on a single source of energy, with no alternative. If this is the case, as it seems, then this is a clear planning error made by airport officials," wrote in "Ex" he
Heathrow Airport - the largest in Britain - will remain closed all day due to a fire at a nearby electrical substation, Reuters notes.
The incident is expected to have a serious impact on air traffic. Heathrow was the world's second-busiest airport last year, behind Dubai.