⁠Australia has raised concerns with ⁠China following an “unsafe and ⁠unprofessional” encounter between two military helicopters, the defence department said on Friday. An Australian military helicopter was flying over international waters in the Yellow Sea when it was intercepted by a Chinese helicopter on Wednesday, a statement ‌said. The Chinese helicopter matched the Australian aircraft’s altitude before “closing in to an unsafe distance”, increasing speed and then rolling towards it,...