An incident involving incorrect operation of the European Train Control System (ETCS) occurred near Welshpool in the United Kingdom. Specialists classified the case as a 'wrong side failure' — a type of malfunction in which a signaling or control system may provide information that creates a potentially dangerous situation for train movement, instead of switching to a safe lockout mode. The event is dated September 15, 2026. A preliminary investigation into the circumstances of the failure is currently underway. The purpose of the investigation is to determine the causes of the system's malfunction, assess possible risks to traffic safety, and determine whether additional measures are needed to prevent similar incidents in the future. ETCS is a key element of modern railway infrastructure, providing automated monitoring of train speed and position on tracks. Failures of this type attract particular attention from regulators and railway operators, as they are directly related to the safety of passenger and freight transport. Technical details of the failure, as well as possible consequences for train schedules in the Welshpool area, have not yet been disclosed. Investigation results are expected later, after which recommendations for eliminating identified deficiencies may be published.