London Heathrow, Brussels and Berlin airports are all experiencing delays and disruption following the “technical issue” affecting Collins Aerospace, which works for several airlines at multiple airports across the world. Heathrow said passengers should check their flight status before travelling to the west London airport. “While the provider works to resolve the problem quickly, we advise passengers to check their flight status with their airline before travelling. We apologise for any inconvenience.”Brussels Airport said: “There was a cyber attack on Friday night September 19 against the service provider for the check-in and boarding systems affecting several European airports, including Brussels Airport. A statement on the Berlin Airport website said: “Due to a technical issue at a system provider operating across Europe, there are longer waiting times at check-in.