Firefighters are tackling a major blaze at a historic building on Princes Street in Edinburgh, in the busy city-centre shopping area. BBC News reports that crews are called to the scene at about 02:50, with seven fire engines and three specialist vehicles dispatched. Other outlets also place the alarm in the early hours of Thursday morning. Sky News describes the incident as a significant fire within a historic building on Princes Street. Euronews reports that video footage shared online shows large orange flames and heavy smoke rising above the property. A Google News compilation also notes additional reporting that the affected building was linked to development plans, including a Zedwell hotel and pod-hotel, though the extent of damage and the project details are not consistently described across the sources provided. Across coverage, the common points are the early-morning start of the fire, the location on Princes Street, and the scale of the fire service response. No consistent information is provided in the supplied excerpts about casualties, the cause of the fire, or the current status of the building beyond that firefighters are actively working on the scene.