Southern Rail services between London Victoria to Brighton remain suspended   Officers from British Transport Police (BTP)  attended the scene alongside paramedics and specialist rail crews. A statement from BTP says: “They have been called  following a report of a casualty on the tracks. “Sadly, a person was pronounced dead at the scene. Officers are in the process of establishing how they came to be on the tracks.” No details have been released at this stage regarding the person’s name, gender or age.