Senator RUSTON (South Australia—Deputy Leader of the Opposition in the Senate) (14:54): Two-year-old Layla Davis needed proton therapy, but the Albanese government declined her family's request for support to travel overseas for treatment. Her family has been left devastated because they simply can't afford the high cost to fund the travel and treatment themselves. Minister, how many Australian children have been refused support by your government to access proton therapy overseas?