A train carrying approximately 150 passengers derailed near Lewes railway station in East Sussex at shortly before 4pm today. British Transport Police confirmed the incident and reported that two people have sustained serious injuries. Details regarding the cause of the derailment are currently under investigation. Emergency services are on scene providing assistance to passengers and assessing the situation. Disruptions to rail services in the area are expected, and passengers are advised to check for updates before traveling. Authorities are working to determine the extent of the damage and ensure the safe removal of the train. Further information will be released as it becomes available.