Fire crews respond to a reported large blaze at the Tata Steel site in Port Talbot, with authorities sounding alarms and black smoke visible above the works. Multiple outlets describe the incident as breaking news, with emergency services attending the scene as firefighters work to control the flames and limit the impact on the surrounding area. The reports indicate that alarm systems are activated at the industrial site while crews are deployed. Details on the cause of the fire, the extent of damage, and whether anyone is injured are not provided in the available excerpts. The coverage focuses on the scale of the response and the visual impact of the smoke plume, which is described as heavy and dark. Authorities have not been quoted in the provided text regarding evacuation orders or confirmed casualty figures. Further information may be expected as emergency services continue their work and assessments begin. The reports remain consistent that the incident is centered on the Tata Steel facility in Port Talbot and is ongoing at the time of reporting.