Ukrainian President Volodymyr Zelensky accused China on Sunday of working hard to stop countries from going to a peace summit, which Beijing has publicly criticised because Russia is not invited. Zelensky made the remarks at a security forum in Singapore as he sought to rally support for the conference and appealed for more military aid for Ukraine, which has been ceding ground to Russian troops. “China, unfortunately, is working hard today to prevent countries from coming to the peace summit,” Zelensky told reporters on the sidelines of the Shangri-La Dialogue, which draws defence officials f…