"A technical issue" temporarily affected air traffic control operations in large parts of Sweden on Thursday, barring planes from taking off for 90 minutes, authorities said.
It was not immediately clear what caused the glitch.
The Civil Aviation Administration said the issue had been resolved and authorities were working on getting air traffic up to speed because there had been small delays. No flights were cancelled.
Earlier, aviation authorities said "a communications problem" meant planes could not take off from three major airports, including Arlanda and Bromma in the Swedish capital of Stockholm. The problem, which began at noon, also...