NYT > World News Flights Are Disrupted at Airports Across U.K. After Radar Problem Par :Jonathan Wolfe and Michael D. Shear 30 juillet 2025 à 12:48 A company that provides air traffic control services said it had resolved a “technical issue.” The delays came months after a power outage forced Heathrow Airport to shut down for 16 hours. © Peter Nicholls/Getty ImagesDeparting flights were grounded at Heathrow on Wednesday, months after a fire at a power substation shut down the airport for around 16 hours.