China has expressed growing concern about regional stability after the end of the American military mission in neighboring Afghanistan.China’s leader, Xi Jinping, also spoke on Friday with Afghanistan’s president, Ashraf Ghani, and urged his government to reach a political solution to the country’s longstanding conflict and to “strengthen the security protection of Chinese citizens and institutions in Afghanistan.” Mr. Xi did not mention the Taliban, which has steadily expanded the areas it controls, according to a statement describing the call.Pakistan’s foreign ministry on Wednesday suggested that the explosion that struck the convoy was an …
