On the morning of July 7, 2026, Scott Dewar, Ambassador of Australia to China, together with Mark Sawers, Minister-Counsellor (Political) at the Australian Embassy in China, Erny Wah, Minister-Counsellor (Political) at the Australian Embassy in China, Oliver Mendoza, First Secretary (Political), and Nicholas Burkett, Second Secretary, visited the Center for International Security and Strategy (CISS), Tsinghua University.