An offensive by an alliance of armed ethnic groups based in the north has seized key towns, galvanized groups elsewhere and spotlighted the military’s weakness.
The unexplained dismissal of Gen. Li Shangfu, the Chinese military’s top diplomat, has come after two top commanders in the country’s rocket forces were replaced.
For years, officials in China have been told to shun foreign devices. Now reports of renewed curbs have unnerved Apple’s investors, heightening geopolitical tensions.