Chinese leader Xi Jinping’s decision to place the country’s top-ranking general under investigation is a stunning move that leaves Xi virtually alone at the top of the military hierarchy – raising deep questions about the implications for the world’s largest armed forces,

China’s top general has been accused of leaking nuclear secrets to the US and accepting bribes as President Xi Jinping purges the country’s senior military leadership. General Zhang Youxi, 75, once considered one of Xi’s most-trusted military allies,