Power Outage Restricts London Airspace, Major Delays Expected

A power outage at a local air traffic control center has forced British officials to severely restrict airspace around London, according to media reports. Airspace is "open," according to the country's air traffic control authority, but only a fraction of scheduled flights are being cleared for landing and takeoff, causing significant delays at London's Heathrow Airport, which confirmed the situation via Twitter at 4:19 a.m. EST. Presently, London airspace isn't expected to fully reopen until 2 p.m. EST.