US President Donald Trump credited Chinese assistance after he agreed to a two-week ceasefire in the war on Iran that includes a resumption of shipping through the vital Strait of Hormuz. “I hear yes,” Trump told Agence France-Presse when asked whether China had helped to get Iran into negotiations, which are due to start in Islamabad, Pakistan on Friday. Iran separately said that it wants China, its biggest trading partner, to be among guarantors of regional peace. The US and Iran both...