Green Park station has been shut for commuters this morning due to an ongoing police incident involving a casualty on the tracks. British Transport Police has confirmed a person has sustained life-threatening and life-changing injuries in the Tube station early this morning (April 20) at around 8.20am. Paramedics treated the casualty at the scene before they were rushed to hospital . There are severe delays across several Underground lines with some stations closed to the public due to the