"A medical
helicopter will be extracting injured person, do not attempt to board the
helicopter For your own safety,keep the area surrounding the medical tent clear for authorized personnel and those in need of medical
attention. Keep passport with you at all times, if a border agent asks for your papers,be prepared to provide them. Parents... hold passport for children Clear the area,move behind the barricade as quickly as possible If you need medical attention... inform one of the border agents."