The assassination of the former Japanese prime minister Shinzo Abe has exposed sharp divisions on China’s tightly controlled internet, with many comments on social media celebrating his death. The radical nationalism on show has damaged China’s image internationally and may complicate Beijing’s efforts to improve relations with other countries, commentators warned. Hu Xijin, former editor-in-chief of the nationalistic tabloid Global Times , expressed sympathy for Abe on Chinese social media Weibo on Friday. “I feel, at this point, political complexities should be set aside… I hope more people can understand and join me,” Hu said. But many Weibo users ,…