Russia is working to preserve heritage sites in Hong Kong related to the second world war, the nation’s top diplomat in the city has said, after the discovery of the local graves of seamen from the country who were killed by a Japanese bombing campaign. Anatoly Kargapolov, the Russian consul general in Hong Kong, also said his country would never forget China’s “heroic resistance” in its fight against the Japanese during World War II, which he said allowed the Soviet forces to concentrate on defeating Nazi Germany. Kargapolov was speaking on Thursday at the opening ceremony of a photo exhibition...