ASIO Hunting for New Spy Boss as Duncan Lewis Prepares to Retire: Report

Australian delegate Duncan Lewis (R) listens to an Asian delegate during a break in the high-level Asia-Pacific Economic Cooperation (APEC) forum on Avian and Pandemic Influenza Preparedness in Brisbane, Australia, on Oct. 15, 2005. HEATHER FAULKNER/AFP/Getty Images

Prime Minister Scott Morrison is reportedly preparing to appoint a new Australian spy boss, with ASIO director-general Duncan Lewis expected to retire at the end of his term in September.

Several senior government sources have told The Australian that Lewis has indicated he plans to step down when his five-year contract winds up in September.