Railway traffic on the Northern Line in Portugal resumed at 00:30 today after being suspended Sunday night due to a fire. The disruption impacted train services across the region, causing delays and cancellations. Infrastructure of Portugal (IP) confirmed the restoration of service to Lusa news agency. The cause of the fire is currently under investigation. Passengers are advised to check with railway operators for updated schedules. This reopening alleviates travel concerns for commuters and freight transport reliant on the Northern Line.